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10 Best Solar Companies in Longmont, CO

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Written By David Cusick

Last Updated April 2024

A rooftop solar array will provide you with a renewable power source that will pay for itself in time. Adopting solar energy can reduce your monthly energy expenses and decrease your carbon output. Before you get started, you want to make sure you find a reputable installer. That’s why we’ve reviewed the options and compiled a guide to the most reliable solar providers in Longmont. These top installers offer high-quality and dependable services.

Our Recommended Providers

Top Pick
4.7/5
  • High-quality Maxeon solar panels
  • Nearly 30 years in business
  • Great customer service
Best Financing Options
4.3/5
  • BluePower Plus+ financing program
  • Good selection of quality panels
  • Most affordable options
Best Solar Panel Leasing
4.2/5
  • Long warranty options
  • Insurance available on panels
  • Free Tesla Power Wall maintenance

Top 10 Best Solar Companies in Longmont

Columbine Roofing & Solar

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328 Coffman St, Longmont, CO 80501 (303) 952-4242 columbineroofingllc.com

Reliable customer support

Clear pricing policy

Informative resources

Free quotes

Family-operated business

Services Offered

Skilled repairs
Panel installation
Consultation
Financing assistance

Flatiron Solar

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4721 Oxford Rd, Longmont, CO 80503 (303) 775-4574 flatironsolar.com

Prompt service delivery

Free quotes

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

Cleaning and maintenance
Consultation
Panel installation
Skilled repairs
System decommissioning
Financing assistance

Progreen Solar

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1030 Boston Ave, Longmont, CO 80501 (303) 484-1410 progreen-solar.com

Free quotes

Reliable customer support

Informative resources

Clear pricing policy

Prompt service delivery

Services Offered

Off-grid solar systems
Panel installation
Battery storage

Klick Solar

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1811 Hover St C, Longmont, CO 80501 (720) 465-9073 klicksolar.com

Free quotes

Prompt service delivery

Clear pricing policy

Informative resources

Services Offered

Consultation
Financing assistance
Panel installation

Independent Power

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1501 Lee Hill Dr UNIT 24, Boulder, CO 80304 (303) 443-0115 solarips.com

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Panel installation
Financing assistance
Off-grid solar systems
Battery storage

The Solar Revolution

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5723 Arapahoe Rd Suite 1A, Boulder, CO 80303 (303) 815-9360 thesolarrevolution.com

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

Panel installation
Battery storage
Financing assistance
Tesla powerwall
Off-grid solar systems

Lumos Solar

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555 Aspen Ridge Dr UNIT B, Lafayette, CO 80026 (303) 449-2394 lumossolar.com

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Services Offered

Solar carports
Panel installation

Custom Solar

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2840 Wilderness Pl, Boulder, CO 80301 (303) 859-8597 customsolar.us

Reliable customer support

Informative resources

Services Offered

Cleaning and maintenance
Solar carports
Panel installation
Battery storage

Aqua Care Solar LLC

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5171 Eldorado Springs Dr ste d, Boulder, CO 80303 (303) 589-4428 aquacaresolar.com

Reliable customer support

Informative resources

Clear pricing policy

Services Offered

Skilled repairs
Permit assistance
Cleaning and maintenance
Panel installation

Photon Brothers

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7705 W 108th Ave, Broomfield, CO 80021 (720) 370-3344 photonbrothers.com

Prompt service delivery

Reliable customer support

Informative resources

Free quotes

Clear pricing policy

Services Offered

Cleaning and maintenance
Financing assistance
Panel installation
Consultation
Tesla powerwall
Battery storage
Skilled repairs
Solar panel upgrades
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on solar companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How To Choose a Solar Company

Adopting solar power lets homeowners cut utility bills while helping the environment by reducing your carbon footprint using clean energy. If you’re deciding whether to go solar, consider these key factors for choosing an installer.

Check Licensing

Confirm that your solar installer is properly licensed. This helps ensure that the work is done properly using the most up-to-date installation methods. While electricians and plumbers in Colorado have state-issued licenses from the Colorado Electrical Board or Colorado State Plumbing Board, the state's unique home-rule structure means counties and cities can issue their own solar professional if they choose.

Read Customer Reviews

Check TrustPilot, the Better Business Bureau (BBB), Google Reviews, and other review sites to see what past customers have to say about local solar providers. Detailed reviews on these platforms can help you assess a provider's integrity and customer service. Stay away from companies with few or mainly poor reviews.

Compare Multiple Quotes

Get free, detailed quotes from 3–5 solar companies. A quote should describe all costs and identify the exact solar parts included. Comparing several quotes can help you find the best value for your budget.

Ask About the Warranty

Quality solar installations should have comprehensive workmanship and performance guarantees. The workmanship guarantee covers any installation problems such as cracks in the panels, poor alignment, or poor wiring. The performance guarantee ensures a specific energy output level. Strong guarantees indicate that a solar installer trusts its installations.

Evaluate Financing and Incentives

Solar energy can help lower your energy expenses over time. Be sure to consider these aspects when determining the cost and value of solar panels.

  • Look into utility rebates: Local power companies may offer additional rebates to encourage homeowners to install solar panels. Check the qualification criteria and rebate values with your local electric company to find out what you could save.
  • Research federal and state tax credits: A 26% federal tax credit on total solar system costs is available through 2032. Many states also offer incentives. These credits can result in substantial savings for solar buyers.
  • Compare system purchase options: Solar panels may be paid for upfront or financed over time with a lease or loan. Confirm key financing details like annual percentage rate (APR), fees, payment schedule, and ownership implications when choosing to finance solar panels.

Cost of Solar Installation in Longmont

The cost of solar panels varies based on your system's capacity and the solar technology used. The typical Longmont solar array has a capacity of 5.3 kilowatts. Homeowners in the area should expect to pay approximately $3,980 per kilowatt; the average Longmont homeowners spends about $14,670 on a new solar array after accounting for federal tax breaks. (Some homeowners prefer to lease solar panels to reduce upfront costs.) A personalized quote from a local solar provider will account for things like the capacity, panel type, and size of the planned system, and should include fees for labor, permit fees, and preliminary work.

Longmont Solar Incentives Guide

Incentive Type: Property Tax Incentive

Website: cdola.colorado.gov

Incentive Amount:

100% exemption for renewable energy system property

Incentive Type: Sales Tax Incentive

Website: tax.colorado.gov

Incentive Amount:

100%

Incentive Type: Rebate Program

Website: energysmartcolorado.com

Incentive Amount:

Residential
PV: 50% up to $500
Solar Thermal: 50% of project costs
Commercial
50% of project costs

Incentive Type: Sales Tax Incentive

Website: bouldercolorado.gov

Incentive Amount:

~15% refund on sales and use tax for the solar installation

Incentive Type: Rebate Program

Website: energysmartcolorado.com

Incentive Amount:

PV: 25% of cost
Solar Water Heat: $25% of cost
Solar Thermal Tune-up: 25% of project cost
Micro-hydro and Geothermal: 25% of cost

Incentive Type: Property Tax Incentive

Website: cdola.colorado.gov

Incentive Amount:

100% exemption for the percentage of electricity capacity (AC) of a community solar garden attributed to residential or governmental subscribers or organizations that are already exempt from property taxes

Incentive Type: Performance-Based Incentive

Website: xcelenergy.com

Incentive Amount:

Systems 0.5 kW - 25 kW: $0.005/kWh
Medium-sized Systems 25.1-500 kW: $0.0375/kWh
Large Systems (>500kW): Determined through competitive bid

Incentive Type: Sales Tax Incentive

Incentive Amount:

Varies (local option)

Incentive Type: Property Tax Incentive

Incentive Amount:

Varies (local option)

Incentive Type: Rebate Program

Website: efficiencyworks.org

Incentive Amount:

Air Sealing: $300-$500
Insulation: Up to $1,815
Duct Sealing: $200 (gas-heated homes only)
Window Replacement: Up to $1,000
Air Handler Blower Motor: $150
Whole House Mechanical Ventilation: 20% of cost
Heat Pumps: $500
Replacement Furnace: $300-$500 (gas-heated homes only)
Ductless Mini-Split: $250/head
Replacement Gas Boiler: $300 (gas-heated homes only)
Replacement Water Heater: $100-$500
AC System: $150-$500
Whole House Fan: $275
Evaporative Cooler: $500

Incentive Type: Rebate Program

Website: unitedpower.com

Incentive Amount:

CFL Recycling: FREE
New Energy Star Refrigerator/Freezer: $30
Refrigerator/Freezer Recycling: $75
New Energy Star Clothes Washer: $40
New Energy Star Dishwasher: $20
New Electric Thermal Storage Units (on automated Time-of-Day control panel): $4-$16/kW
New Electric Thermal Slab (on automated Time-of-Day control panel): $4-12/kW
Water Heaters: $20-$400
Terminal Unit for Heat Pump A/C Units: $75-$85/Unit
Heat Pumps: $100-$450/ton
Geothermal Heat Pumps: $200-$500/ton

Air Conditioners: $100-$150

Incentive Type: Loan Program

Website: xcelenergy.com

Incentive Amount:

Up to $50,000

Incentive Type: Rebate Program

Website: xcelenergy.com

Incentive Amount:

Refrigerator Recycling: varies, contact utility for details
Natural Gas Furnace: $300
EC Motor in New or Existing Furnace: $100
Air Conditioning/Air Source Heat Pump: $300-$600
Mini-Split Heat Pump: $300
Water Heater: $70-$450
Evaporative Cooling: $200-$1,200
Attic Insulation: $350-$600
Wall Insulation: $350-$600
Air Sealing, bypass sealing, and weather-stripping: $175-$450
Ground Source Heat Pump: $300/ton
Smart Thermostat: $50

Incentive Type: Rebate Program

Website: xcelenergy.com

Incentive Amount:

Attic Insulation: $400-$700
Air Sealing/Bypass Sealing/Weather-Stripping: $250-$550
High Efficiency Lighting: 30% of cost
Wall Insulation: $450-$700
Evaporative Cooling System: $325-$1200
Central Air Conditioner (New): $400 - $700
Central Air Conditioner (Trade In): $550
Ground Source/Geothermal Heat Pump: $300 per ton
Electric Heat Pump Water Heater: $550
Programmable Thermostat: $25
High Efficiency Furnace: $400
Electrically Commuted Motor: $125
Tankless Water Heater: $200
Standard Tank Water Heater: $100
ENERGY STAR Refrigerator: $15
ENERGY STAR Clothes Washer: $30

Incentive Type: Loan Program

Website: colorado.gov

Incentive Amount:

$35,000

Incentive Type: Loan Program

Website: colorado.gov

Incentive Amount:

$250,000

Incentive Type: Performance-Based Incentive

Website: xcelenergy.com

Incentive Amount:

2015 Large RFP Program:
Determined through competitive bid. RFP released on March 3, 2016

Incentive Type: Loan Program

Website: energysmartcolorado.com

Incentive Amount:

$25,000

Incentive Type: Rebate Program

Website: pvrea.com

Incentive Amount:

Refrigerators/Freezers: $30
Refrigerator/Freezer Recycling: $60
Clothes Washers: $30-$40
Clothes Dryers: $30-$90
Dishwashers: $20
Standard Water Heaters: $30-$50
Heat Pump Water Heaters: $350
Heat Pump Waste Heat (geothermal): $100 plus $25 for a lifetime warranty
Geothermal Heat Pumps: $500/ton plus $200/ton 2019 bonus incentive
Ground Source Heat Pump Desuperheater: $100/unit
Air Source Heat Pumps:$300-$450/ton plus $200-$300/ton 2019 bonus incentive plus $100/unit for integrated controlled ETS backup
Terminal Air Source Heat Pumps: $85/unit
Air Conditioners: $100-$150
Residential LED Lighting: 50% of cost
Commercial Lighting: Varies, see program website
Irrigation Motors: $1.50-$8.00/hp
Variable Frequency Drives: the lesser of 50% of cost or $1,600-$6,800/unit

Incentive Type: Rebate Program

Website: EnergySmartYES.com

Incentive Amount:

25% of project cost

Incentive Type: Personal Tax Credit

Website: ecowatch.com

Incentive Amount:

30% federal tax credit for systems placed in service after 12/31/2021 and before 01/01/2033. Good for: solar water heat, solar photovoltaics, biomass, geothermal heat pumps, wind (small), fuel cells using renewable fuels.

Frequently Asked Questions About Solar in Longmont, CO

Generally speaking, a solar photovoltaic (PV) system can be used to power any household appliance or system that uses electricity. In the smallest case, you can use a solar water heating system.

With home solar panels, you can save money on your energy bill, lower your property's emissions, and gain additional energy independence.

Your installer can give you an estimate of what your energy bills will look like after you install solar panels. Generally, your energy bills will decrease significantly because you'll be using energy from the sun for free, instead of buying energy from the utility company. The average annual savings in Longmont amount to $1,028.

Your payback period is the time to earn a net profit from your solar panels. It will vary based on their rated capacity, the average sunlight in your area, and the rate your utility charges per kilowatt of power. Longmont has extremely high daily sunlight levels, so you could recoup your investment in as little as 14.3 years per 5 kW of rated capacity.

The specific required maintenance steps will vary based on the type of solar panels you have. With any system, you should clean and inspect each panel four times a year. Your solar energy company might offer comprehensive plans where they'll do the maintenance for you.

With respect to taxes, the federal government offers a tax credit of up to 30% of the panels' cost. Depending on where you live, you could also claim or apply for state or property tax incentives. For insurance, your monthly premium may be slightly higher because solar panels increase your property's value. You should consult with your accountant or insurance agent for information specific to your case.