Solar workflow depth
Can the product carry system details, proposal status, project milestones, and the delivery handoff without rebuilding the process in custom fields?
Quickest Solar CRM is our first pick for a small Antiguan installer whose immediate problem is slow quoting and follow up that nobody owns. That placement uses a disclosed proposal-first adoption lens and still requires an Antigua and Barbuda proof step. OpenSolar is the clearest free design-first option, Pylon pairs design with an optional CRM, and Sunbase publishes wider solar operations. We compared seven tools against XCD documents, adviser-approved sales tax, APUA interconnection stages, hotel and villa procurement, Barbuda logistics, hurricane-rated design and handover.
Direct answer
Choose Quickest when proposal speed, lead ownership, field adoption and a free pilot are the first priorities. QuickEstimate owns Quickest and its published evidence is India-first, so Antiguan currency, tax, APUA fields, two-island logistics, hosting and support all remain unverified until a demo proves them. OpenSolar is better when free solar design leads the purchase. Because hotels and villa properties dominate the larger end of the market, procurement tracking and service level records often matter more than quoting speed.
7 jobs, 7 picks
A useful shortlist starts with the sales or delivery bottleneck. Each winner below reflects a different buying priority, while the overall ranking rewards a CRM that a solar sales team can adopt quickly.
Small mobile sales teams
Free: 1 user and 10 proposals monthly. Pro: INR 6,999 per user yearly, minimum 3 users. 02Best free design-first optionOpenSolarStartups combining solar design, proposals and project CRM
OpenSolar says partners fund the model; review services and connected costs. 03Best compact design and CRM trialPylonTeams wanting solar and battery proposals with optional CRM
New users receive five Standard Project credits; confirm Antigua commercial terms. 04Best broad solar operations candidateSunbaseEstablished teams evaluating a wider solar sales and project platform
Request Antigua users, modules, implementation, integrations, support and renewal pricing. 05Best configurable general CRMZoho CRMTeams with an administrator and several sales or service lines
The reviewed global page publishes USD prices and adds local taxes. 06Best configurable operations suiteOdooBusinesses joining CRM with sales, inventory, field service and accounting
Confirm current plan, apps, users, hosting, implementation, localisation and customisation. 07Best for marketing-led acquisitionHubSpot CRMTeams prioritising forms, email, meetings and pipeline
Official page states up to 2 free users and 1,000 contacts; price all required hubs.How we evaluated
We saved English search attempts across Google, Bing, DuckDuckGo, Brave and Mojeek, then traced one record from an enquiry through site visit, roof and consumption assessment, quotation, deposit, structural and electrical design, the APUA application, procurement, transport to Barbuda where relevant, installation, meter change, commissioning, invoicing, handover and service. Ranking rewards focused sales adoption first, then solar design, operational breadth, field usability, finance fit and configurable CRM depth. Antigua and Barbuda facts come from APUA, the Inland Revenue Department and the government portal.
Can the product carry system details, proposal status, project milestones, and the delivery handoff without rebuilding the process in custom fields?
Can managers route leads, track activity, automate follow-up, forecast revenue, and see why an opportunity stalled?
Can a rep move from site information to a credible customer proposal, and how much specialist solar design happens inside the platform?
Does the workflow support the language, currency, tax, communications, documents, and handoffs common in Antigua and Barbuda?
What setup, migration, training, administration, and extra software does the apparent subscription require?
At-a-glance matrix
The table separates CRM depth from proposal, design, and operations coverage. Confirm plan limits and country availability in writing before signing.
Local billing check: confirm XCD pricing, tax treatment, contract currency, and payment fees in writing.
| Platform | Best for | Public price | Solar proposals | Design | Project operations | CRM depth | Free access |
|---|---|---|---|---|---|---|---|
| 1Quickest Solar CRM | Small mobile sales teams | Free plan; Pro in INR | Focused branded proposals | Antigua inputs unverified | Lead stages and follow up | Focused solar sales CRM | 1 user, 10 proposals monthly |
| 2OpenSolar | Startups combining solar design, proposals and project CRM | Free core platform | Interactive and PDF proposals | Native solar and storage design | Project CRM, tasks, schedules and files | Solar project CRM | Core platform described as free |
| 3Pylon | Teams wanting solar and battery proposals with optional CRM | Dollar pricing shown; confirm currency | Web and PDF proposals | Solar and battery design | Optional solar CRM and integrations | Solar CRM available | Five Standard Project credits |
| 4Sunbase | Established teams evaluating a wider solar sales and project platform | Quote required | Solar proposal capabilities published | Connect or verify design scope | Sales and operational solar workflows | Broad solar CRM | Request demo and trial terms |
| 5Zoho CRM | Teams with an administrator and several sales or service lines | Free for 3 users; paid USD tiers | Configure CPQ or connect a proposal tool | Specialist solar tool required | Custom modules, workflow, reports, portals and APIs | Broad general CRM | Free edition for 3 users |
| 6Odoo | Businesses joining CRM with sales, inventory, field service and accounting | One app free; paid plans published | Sales quotations and signatures | Specialist solar design required | CRM, sales, inventory, accounting, field service and more | General CRM within modular ERP | One app free plan stated |
| 7HubSpot CRM | Teams prioritising forms, email, meetings and pipeline | Free CRM; paid hubs available | Connect or configure proposal software | Specialist solar tool required | Paid sales and service expansion | Broad customer platform | Up to 2 users and 1,000 contacts |
Pricing and capability labels were checked against official sources on Sep 7, 2026. Currency conversion is intentionally omitted where a vendor does not publish a local price.
Country research
Antigua and Barbuda concentrates solar demand into hotels, villas, commercial properties and a residential base served by a single utility. That simplifies the interconnection conversation and complicates everything else. Hotel and villa buyers work to a refurbishment calendar rather than to demand, Barbuda adds a sea or air crossing to any job there, and hurricane exposure makes the mounting specification a compliance artefact. The CRM has to hold a seasonal decision window, a crossing schedule and a structural approval alongside the quotation.
The Antigua Public Utilities Authority supplies electricity, water and telecommunications and is the single counterparty for connection, metering and any customer generation arrangement. Store the customer account, the rate class taken from the actual bill, the island, the meter type, the supply phase, the requested capacity, the application route, the reference, the technical review outcome, the fees, the inspection, the meter change and the activation evidence.
APUA: Antigua Public Utilities Authority ↗The Inland Revenue Department administers sales tax and other taxes. An Antiguan solar sale mixes imported equipment, freight, structural work, design, installation, batteries, maintenance and finance. Configure tax per line, show whether displayed prices include or exclude tax, retain the tax source and effective date, and have a local adviser approve deposits, staged invoices, variations, credit notes and import treatment.
Inland Revenue Department Antigua and Barbuda: Inland Revenue Department ↗Government publishes national policy and programme information relevant to energy and investment. Policy and incentive terms can change between periods, so the CRM should record which policy version a proposal relied on and when it was checked. That stored reference is what allows a company to identify affected customers when terms change rather than relying on someone's memory.
Government of Antigua and Barbuda: Government of Antigua and Barbuda ↗Hotels and villa properties buy on a refurbishment calendar rather than on demand. Store the decision window, the closing date for proposals, the shutdown period available for installation, the technical contact, the owning group or management company, the mandatory documents, the agreed service level and the escalation path. A proposal that arrives after the low season programme is committed is a wasted survey.
APUA: Antigua Public Utilities Authority ↗Barbuda adds a crossing to any job there. Store the island, the sea or air route, the schedule, the consignment cut-off, the crew travel plan, accommodation where needed, the parts held on each island and the technician who can attend, then derive the commitment date from those fields rather than from an estimate made on Antigua.
Government of Antigua and Barbuda: Government of Antigua and Barbuda ↗Hurricane exposure makes the mounting specification a compliance artefact. Store the wind loading assumption, the standard referenced, the mounting system and its certification, the fixing type and spacing, the roof structure assessment, the approving engineer, the date and the installation photographs. Insurers and customers both ask for that record after a named storm and it cannot be reconstructed afterwards.
Inland Revenue Department Antigua and Barbuda: Inland Revenue Department ↗Salt exposure on coastal properties drives corrosion and soiling. Store the exposure category, the distance from the shoreline, the corrosion protection class, the fastener material, the cleaning interval assumed, the temperature derating and the approving engineer. A yield estimate that ignores soiling on a beachfront hotel roof will be visibly wrong within a season.
APUA: Antigua Public Utilities Authority ↗Because everything is imported and the currency is pegged, quotation validity turns on landed cost and freight timing rather than exchange volatility. Store the cost basis, the freight assumption, the validity period, the ordered stock and the clearance position, and prevent acceptance at a stale price without approval.
Inland Revenue Department Antigua and Barbuda: Inland Revenue Department ↗Many villa and second home owners are overseas, so the decision path is not the person on site. Store the owner, the local property manager, the actual decision maker, the seasonal occupancy pattern and the shutdown windows available for work. A proposal sent to a caretaker when the decision sits abroad will stall without anyone saying so.
Government of Antigua and Barbuda: Government of Antigua and Barbuda ↗Full reviews
Each review explains the useful workflow, the buyer who should shortlist it, and the country-specific question that a sales demo must answer.
Quickest is first for a narrow mobile sales adoption goal, and seasonal procurement is what it must accommodate.
Quickest centres the work a small team usually has to fix first: capture the enquiry, assign an owner, produce a branded proposal quickly and make the next follow up visible. A limited free plan allows an adoption pilot before a larger migration. QuickEstimate owns Quickest and publishes this ranking, so the position depends on the disclosed method rather than on independent market recognition.
No public evidence verifies XCD quoting with validity, Antiguan tax treatment, APUA fields, seasonal procurement handling, Barbuda scheduling or hurricane structural workflow. Ask whether follow up can be scheduled against a property's works calendar rather than a fixed interval, because a hotel pipeline and a residential pipeline need different cadences from the same system.
Choose it if: residential quoting speed is the first bottleneck. Choose another platform if: hotel procurement and service agreements drive most of the revenue.
OpenSolar is the strongest free design-first route for Antigua, and presentation quality helps with overseas owners.
OpenSolar publishes design, proposals, table and Kanban project views, custom workflows, actions, schedules, documents, roles, permissions and an API. Villa and hotel decisions frequently involve an owner who is not on the island, so an interactive proposal that reads well remotely is a genuine commercial advantage rather than a cosmetic one.
Validate Antiguan imagery, irradiance, salt exposure handling, storage and backup modelling, equipment libraries, XCD display, tax treatment, APUA stages, field connectivity and document output. Change a design after acceptance and trace price, stock, tax, payment, structural approval and handover. Review privacy terms, transfers, support coverage and a complete account export.
Choose it if: design and customer-facing proposals lead the purchase. Choose another platform if: procurement tracking and service agreements dominate the requirement list.
Pylon suits an Antiguan team selling storage-backed systems, with local operation still unverified.
Pylon documents solar and battery design, web and PDF proposals, design history, integrations and a solar CRM add-on. It says new users receive credits for five Standard Projects and teams can add unlimited users. Its battery orientation matches a market where backup capability after a storm often matters as much as the tariff saving.
Confirm the dollar currency, project rules, CRM cost, payment fees, taxes and renewal. Test Antiguan locations, salt exposure, weather and production inputs, backup loads, battery chemistry, XCD display, roles and support. Review data processing and export, and model several revisions because a hotel technical committee typically asks for changes before the season.
Choose it if: storage-backed proposals are a growing share of the pipeline. Choose another platform if: procurement, stock and service history dominate the requirement list.
Sunbase publishes broad solar CRM scope, and seasonal procurement plus service level control is what to test.
Sunbase positions its CRM around solar lead management, sales, communication, proposals, workflow and operational visibility. For an Antiguan contractor holding hotel maintenance agreements, scheduling inside a shutdown window and keeping service commitments visible is where the value sits rather than in lead volume.
Ask for comparable customer references and use a controlled demo from enquiry through survey, proposal, deposit, invoice, APUA application, procurement, installation, commissioning and service. Verify XCD handling, procurement and document control, scheduling around shutdown windows, roles, audit history, privacy terms, support hours, the contract price and data export.
Choose it if: a contractor holds hotel and villa maintenance agreements. Choose another platform if: a free design tool or a simpler proposal CRM meets the immediate need.
Zoho suits an Antiguan business that needs interconnection, structural and seasonal records enforced by rules.
Zoho CRM offers configurable modules, fields, pipelines, workflow, reports, mobile apps, portals and APIs. Custom objects are the reason to consider it here: an interconnection application with its own status, a structural approval that gates commissioning and a seasonal opportunity with a works calendar can each be enforced rather than remembered.
Build or connect consumption assessment, solar design, XCD quotations with validity, tax treatment, payment reconciliation, stock on both islands, APUA stages, structural approvals, seasonal opportunities, commissioning, assets, warranty and handover. Test processor terms, transfers, retention, API limits, support and a complete export.
Choose it if: the company has an administrator and runs hotel and residential motions. Choose another platform if: the team expects ready-made solar workflows with little configuration.
Odoo suits an Antiguan contractor whose stock, planned maintenance and project accounting have outgrown a sales tool.
Odoo combines CRM with quotations, sales, accounting, purchasing, inventory, projects, field service, helpdesk and other applications, including planned maintenance scheduling against installed equipment and landed cost handling. For a contractor servicing hotel systems year after year, that module is the reason to look rather than the CRM itself.
Verify a current localisation and the accounting route with the responsible implementation partner. Test XCD, sales tax, landed cost with freight, stock on both islands, serial numbers, planned maintenance against installed assets, field service, approvals, APUA and structural evidence, warranty and migration. Connect a specialist design tool and review hosting, backups, upgrades, exit and a restorable export.
Choose it if: stock, maintenance, project accounting and CRM should share one suite. Choose another platform if: the business wants a solar-specific proposal product with minimal implementation.
HubSpot is strong with overseas villa owners and leaves interconnection and structural work outside.
HubSpot's free CRM covers contacts, lead management, forms, email, meetings and pipeline for a small user group. Villa and second home owners are frequently overseas and reachable by email, so sequences, meeting scheduling and document tracking genuinely help that half of an Antiguan pipeline.
Price and test the complete stack: messaging, solar design, XCD quotation with validity, tax treatment, payment reconciliation, stock on both islands, field delivery, APUA tracking, structural evidence, storage lifecycles and service reporting. Use controlled fields for the island, the rate class, the APUA reference and the structural approval.
Choose it if: overseas owner outreach drives the pipeline. Choose another platform if: interconnection volume and hotel service agreements are the real problems.
Buyer guide
Choose by the most expensive broken handoff, then test that handoff using real opportunities, real users, and the documents your customers actually receive.
Start with Quickest when slow quoting and unowned follow up are the visible failures on residential work. Use the free plan on real Antiguan opportunities, including one APUA application. Continue only if the vendor proves XCD quoting with validity, tax handling, interconnection tracking, structural evidence, privacy, support and export.
OpenSolar fits a team that needs solar design, proposals and project CRM before it can fund a wider stack. Validate Antiguan imagery, irradiance inputs, salt exposure handling, storage and backup modelling, XCD display, tax treatment, APUA stages, data terms and mobile performance on Barbuda.
Pylon is worth testing when web and PDF proposals, solar and battery design and an optional solar CRM all appeal. Confirm the displayed currency, Antiguan model inputs, backup load handling, project credit economics across several revisions, mobile use, permissions and support hours.
Sunbase targets broader solar sales and operational workflows, which suits a contractor serving hotels, villa management companies and commercial properties with maintenance agreements. Ask for comparable references and test procurement tracking, service level management, scheduling around shutdown windows, privacy, commissioning and export.
A configurable platform can model interconnection applications, structural approvals, storage lifecycles, imported stock on two islands and service agreements together. Odoo is stronger where landed cost, inventory and planned maintenance dominate; Zoho is the more familiar CRM route with strong custom objects.
HubSpot fits a business whose first priority is forms, campaigns, email, meetings and pipeline visibility, and it handles overseas villa owners and management companies well because those conversations happen by email. Budget the solar design, quotation, tax, interconnection, structural evidence and service tools around it.
Run the same three opportunities in every shortlisted CRM: one ordinary lead, one revision-heavy project, and one deal that already failed. This removes demo theatre and exposes repeated entry, stale documents, weak mobile adoption, and missing local support.
Capture a real lead, assign it, create the proposal, schedule follow-up, record acceptance, and hand it to delivery.
Change the system, equipment, price, payment route, and installation date. Identify every stale record.
Use a duplicate, missed follow-up, rejected proposal, or delayed job and ask the CRM to show what happens next.
Produce a taxable sale with separate lines for imported equipment, freight, structural work and services, plus a deposit, a staged invoice, a variation, a credit note, a refund and a warranty replacement in XCD. Store a validity period, the cost basis and the freight assumption, and block acceptance at a stale price without approval. Have an adviser confirm sales tax and import treatment in writing.
Treat the application as its own record with a reference, an owner, a submission date, a document set and a dated outcome. Capture the technical review result, queries returned, the resubmission, the approved capacity, fees paid, the inspection, the meter change and the first export reading, and drive customer updates from those milestones rather than from an internal sales stage.
Store the decision window, the closing date, the shutdown period available for installation, the technical contact, the owning group or management company, the mandatory documents, the agreed service level and the escalation path. Set reminders against the property's works calendar rather than a generic follow up cadence.
Store the island, the sea or air route, the schedule, the consignment cut-off, the crew travel plan, accommodation where needed, the parts held on each island and the technician who can attend, and derive the commitment date from those fields. Test a job on Barbuda and confirm the price and schedule both reflect the crossing.
Store the wind loading assumption, the standard referenced, the mounting system and its certification, the fixing type and spacing, the roof structure assessment, the approving engineer, the date, installation photographs and the insurance position. Block commissioning sign-off when the structural approval is missing, and force re-approval when a design change alters the mounting.
Store the exposure category, distance from the shoreline, corrosion protection class, fastener material, the cleaning interval assumed, temperature derating, the approver and the date. Test a design change after acceptance and confirm the new yield, the new price and the customer's acknowledgement all propagate rather than the original figure surviving into the handover pack.
Store the owner, the local property manager, the actual decision maker, the seasonal occupancy pattern, the shutdown windows available for work and the mandatory documents. Test a proposal where the caretaker is the contact and the owner is overseas, and confirm the decision path is visible rather than held in a salesperson's memory.
Have a field user work on the real phone at a beachfront property and on Barbuda. Capture location with a lawful purpose, consumption history, the bill image, roof structure and orientation photographs, salt exposure notes, shading, access and safety, design inputs, equipment and serial numbers, delivery, tests, signatures, defects and commissioning, then test sync and supervisor review.
Export the accepted scope, variations, the as-built design, the structural approval, installed equipment and serial numbers, photographs, test results, commissioning, APUA evidence, invoices and payment status, warranties, manuals, monitoring access, training, signatures, open defects and the service contact. For hotels add the service level, the cleaning schedule and shutdown windows.
The real budget
Antiguan pricing is predictable because the currency is pegged, which shifts attention to freight, service cost and procurement discipline rather than exchange risk. Quickest publishes INR terms, OpenSolar describes its core platform as free, Pylon shows dollar prices whose billing currency should be confirmed, and Zoho publishes USD global tiers. Sunbase needs a quote for the relevant scope. Odoo and HubSpot vary by apps, seats, contacts and implementation. Ask for billing currency, taxes, payment method, bank charges, users, projects, storage, integrations, messaging, onboarding, support hours, renewal, exit and every product needed to reach a compliant invoice, an approved interconnection and a usable handover pack.
Free: 1 user and 10 proposals monthly. Pro: INR 6,999 per user yearly, minimum 3 users.
OpenSolar says partners fund the model; review services and connected costs.
New users receive five Standard Project credits; confirm Antigua commercial terms.
Request Antigua users, modules, implementation, integrations, support and renewal pricing.
Quickest lists one free user with ten proposals monthly and Pro at INR 6,999 per user yearly with a three-user minimum. Antiguan commercial and tax terms are unverified.
OpenSolar states that its core platform is free because partners fund the model. Review partner choices, paid services, data use, support coverage and connected system costs.
Pylon offers five Standard Project credits to new users and states unlimited team users. Confirm the displayed currency, the CRM add-on, payment fees, project rules and renewal.
Zoho's reviewed page offers three free users alongside paid USD tiers. HubSpot states up to two free users and 1,000 contacts. Neither free plan supplies a complete Antiguan solar operating stack.
Budget accounting, payment handling, messaging, design software, structural engineering input, implementation, field devices, storage, support and administration alongside the licence fee.
Compare the cost of one complete acceptance case rather than a feature checklist, and price one missed hotel decision window alongside it. A survey completed after a property has committed its low season budget is a full year of delay, not a slow deal.
Ask what happens when an interconnection application is returned or a Barbuda crossing is cancelled. The commercial proposal should identify alerting, rescheduling, manual reconciliation, notification, data ownership and support escalation.
Our number-one pick
Quickest concentrates on lead ownership, a mobile proposal and the next follow up, which is a practical first adoption target for a small Antiguan sales team.
Its free plan lets one person test ten monthly proposals before the company commits to migration, custom integration or additional seats.
First place stays conditional on proof. XCD handling with validity, tax treatment, APUA evidence, seasonal procurement, structural records and Barbuda scheduling are not verified for Antigua and Barbuda.
Your next move
Start with Quickest and the specialist closest to your largest local requirement. Use the same evidence and test deals for both.
Name the bottleneck. Pick lead response, proposal speed, design, payment, install handoff, or management visibility.
Choose two tools. Compare Quickest with the strongest specialist for that bottleneck.
Run the Three-Deal Proof. Score adoption, repeated entry, revision handling, support, and full annual cost.
Research record
These sources support the market, regulatory, product, and pricing statements on this page. Product terms can change after the checked date.
Common questions
Quickest is first under our proposal-first adoption lens for a small team, but QuickEstimate owns it and Antiguan localisation is unverified. OpenSolar is the better free design-first option. If hotels and villas drive your revenue, weight seasonal procurement tracking and service level records above quoting speed.
We found no verified public evidence for native XCD proposals or Antiguan sales tax handling. Quickest's published evidence is India-first. Require a live taxable quotation with equipment and freight lines and a validity period, plus a deposit, a staged invoice, a credit note, a refund and an accounting export during the demo.
As its own record with a reference, an owner, a submission date, a document set and a dated outcome, plus the technical review result, queries returned, the resubmission, the approved capacity, fees paid, the inspection, the meter change and the first export reading. Drive customer updates from those milestones.
As seasonal opportunities rather than ordinary deals. Store the decision window, the proposal closing date, the shutdown period available for installation, the technical contact, the owning group, the mandatory documents and the expected service level, and set reminders against the property's works calendar rather than a weekly cadence.
The crossing. Store the island, the sea or air route, the schedule, the consignment cut-off, the crew travel plan, accommodation where needed, the parts held there and the technician who can attend, then derive the commitment date from those fields. A Barbuda job priced like an Antigua rooftop loses money on the first return trip.
As approved engineering evidence. Store the wind loading assumption, the standard referenced, the mounting system and its certification, the fixing type and spacing, the roof structure assessment, the approving engineer, the date, installation photographs and the insurance position. Insurers and customers both ask for that record after a named storm.
They should. Store the exposure category, distance from the shoreline, corrosion protection class, fastener material, the cleaning interval assumed and the temperature derating, plus who approved the model and when. A beachfront roof that soils faster than the model assumed produces a visible shortfall within a season.
Quickest offers one user and ten proposals monthly. OpenSolar publishes a free core solar platform. Zoho offers three free users, and HubSpot states up to two users and 1,000 contacts. Compare the full cost of design, tax, payments, interconnection tracking, messaging, field work, service, support and administration rather than the free tier alone.
Include the accepted scope, variations, the as-built design, the structural approval, installed equipment and serial numbers, photographs, test results, commissioning, APUA evidence, invoices, payment status, warranties, manuals, monitoring access, training, signatures, open defects and the service contact. For hotels add the service level and shutdown windows.
Use the Three-Deal Proof and require every vendor to show the same lead, revision, document, and failed handoff.