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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.
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Reliable customer support
Clear pricing policy
Informative resources
Free quotes
Family-operated business
Services Offered
Our Rating
Prompt service delivery
Free quotes
Clear pricing policy
Informative resources
Reliable customer support
Services Offered
Our Rating
Free quotes
Reliable customer support
Informative resources
Clear pricing policy
Prompt service delivery
Services Offered
Our Rating
Free quotes
Prompt service delivery
Clear pricing policy
Informative resources
Services Offered
Our Rating
Free quotes
Reliable customer support
Clear pricing policy
Services Offered
Our Rating
Informative resources
Free quotes
Reliable customer support
Clear pricing policy
Services Offered
Our Rating
Informative resources
Services Offered
Our Rating
Reliable customer support
Informative resources
Services Offered
Our Rating
Reliable customer support
Informative resources
Clear pricing policy
Services Offered
Our Rating
Prompt service delivery
Reliable customer support
Informative resources
Free quotes
Clear pricing policy
Services Offered
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:
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.
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.
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.
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.
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.
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.
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.
Incentive Type: Sales Tax Incentive
Incentive Amount:
Varies (local option)
Incentive Type: Property Tax Incentive
Incentive Amount:
Varies (local option)
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 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 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 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 Amount:
2015 Large RFP Program: Incentive Amount: Refrigerators/Freezers: $30 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.
Determined through competitive bid. RFP released on March 3, 2016
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 Frequently Asked Questions About Solar in Longmont, CO
Solar Companies in Neighboring Cities