Installs in Thornton
Strata Heat Pumps installs heat pumps in Thornton, in every ZIP code listed on this page. The online estimate gives a price range and your rebates for a Thornton address in about two minutes.
Thornton homes compared with Adams County
Census figures count 51,088 homes in Thornton, and 49,579 are occupied. Thornton has a median construction year of 1996 and a median of 6 rooms. Adams County has 191,765 homes, a median construction year of 1990, and 5.8 rooms. Colorado has a median construction year of 1987 and 5.7 rooms. Thornton's newer, larger homes call for a room-by-room load calculation instead of a size based on floor area alone.
Thornton has 35.2% of homes built from 1980 to 1999 and 25.7% built from 2000 to 2009. Those shares exceed Adams County's 27% and 20.8% for the same construction groups. Only 5.1% of Thornton homes were built before 1960, compared with 13.5% across Adams County. Older homes are more likely to lack ducts or have small ducts, so Thornton has a larger share of homes that can begin with a ducted system review.
Detached houses account for 62.4% of Thornton homes, close to Adams County at 62.6% and Colorado at 61.8%. Multi-unit buildings make up 21.6%, below Adams County's 22.9% and Colorado's 26.9%. Owner occupancy reaches 73.1%, above 68.9% in the county and 66.3% statewide. Existing ducts are common in detached homes, while attached homes and multi-unit buildings deserve a ductless option review.
Thornton and nearby housing patterns
Thornton's median year built is 1996. It is newer than Northglenn at 1974, Federal Heights at 1990, and Derby at 1958. It is older than Broomfield at 2001. Thornton's 5.1% share of homes built before 1960 is lower than Northglenn's 5.7% and far below Derby's 56.1%. Derby's older housing needs more investigation for missing ducts and restricted duct capacity.
Thornton has 62.4% detached homes. That share is higher than Northglenn's 59.6%, Federal Heights' 17.6%, and Broomfield's 58.9%, but lower than Derby's 79.6%. Its 21.6% multi-unit share is lower than Northglenn's 31.1%, Federal Heights' 32.2%, and Broomfield's 32%, while higher than Derby's 4.7%. Thornton has a strong fit for ducted and dual-fuel systems, with a substantial ductless segment.
Northglenn has 67.2% gas heat and 29.3% electric heat. Federal Heights has 67.2% gas heat and 30.2% electric heat. Broomfield has 70.7% gas heat and 26.7% electric heat, while Derby has 75% gas heat and 21.2% electric heat. Thornton falls between these nearby towns with 69.7% gas heat and 27.6% electric heat. Gas furnace replacements drive much of the local equipment selection.
How Thornton homes heat today
Utility gas heats 69.7% of Thornton homes. This is above the Adams County share of 68.8% and the Colorado share of 66.7%. Electricity heats 27.6% of Thornton homes, above 27.1% in Adams County and 25.2% statewide. A heat pump moves heat instead of burning fuel and also cools. A gas-heated house can use either a full ducted heat pump or a dual-fuel system.
Propane heats 1% of Thornton homes, compared with 2% in Adams County and 4.9% in Colorado. Wood heats 0.1%, fuel oil heats 0%, and solar heats 1.2%. These smaller heating groups still need a home-specific equipment review. The current heating equipment, duct condition, electrical panel, and calculated heat load determine the final system design.
Thornton's gas-heated share is lower than Derby's 75% and Broomfield's 70.7%, but higher than Northglenn's and Federal Heights' 67.2%. Thornton's electric-heated share is above Broomfield's 26.7% and Derby's 21.2%, but below Federal Heights' 30.2%. This mix means both gas-to-heat-pump and electric-to-heat-pump replacements are important local paths.
Three systems for Thornton housing
A ducted heat pump fits a Thornton home with ducts that can deliver the needed airflow. It is a strong starting point for many of the city's 62.4% detached homes. The largest construction group is homes built from 1980 to 1999 at 35.2%. We measure the home and check ducts and the electrical panel before we install. That inspection identifies whether the existing duct system supports the selected heat pump.
Dual fuel fits a home that now uses a gas furnace and wants to retain that furnace for the coldest hours. This system matches a large part of Thornton because 69.7% of homes use utility gas. The heat pump handles heating and cooling, while the furnace remains available at low outdoor temperatures. A dual-fuel decision still starts with the home's heat load and duct capacity, not the age of the furnace alone.
Ductless mini-splits suit homes without ducts, additions, and condos. Thornton has 10.6% attached homes and 21.6% multi-unit buildings, both groups where ductless equipment deserves consideration. For the 1,500 square foot ductless example, our estimate tool uses 3 indoor units. It uses 500 sq ft of floor area per indoor unit and prices up to 5 indoor units before a custom quote.
Sizing heat pumps for Thornton conditions
Our estimate tool sizes a system to 1°F outdoors and 70°F indoors. It uses an elevation of 5,300 ft. An air-source unit loses 18% of heat output at that elevation. At the design temperature, it delivers 2 units of heat per unit of electricity. Thornton equipment must be selected for cold-weather output at local elevation, rather than cooling capacity alone.
The example home is 2,000 square feet, has 2 stories, uses a gas furnace, and was built from 1980 to 1999. Its design heating load is 2.8 tons, with a 30 A breaker in the estimate. This construction group represents 35.2% of Thornton homes. The example shows why the final size follows the calculated load, along with electrical and duct findings.
A 2,000 square foot, 2-story gas-heated home built before 1960 has a design load of 3.4 tons. The same type of home built from 1960 to 1979 has 3.2 tons. A home built from 2000 to 2009 has 2.4 tons, and one built in 2010 or later has 2.0 tons. Thornton has 16.5% of homes built in 2010 or later, so newer construction does not need the same capacity as older housing.
Thornton rebates, example prices, and ZIP codes
For a gas-heated home, our estimate tool shows $7,000 in total rebates for a 3-ton ducted heat pump. The stack is the Xcel Energy rebate ($4,500), the State of Colorado Heat Pump Discount ($1,000) and the Power Ahead Colorado rebate ($1,500). The Xcel Energy rebate applies to Xcel Energy customers whose homes now heat with a gas furnace, gas boiler, or propane. The State of Colorado Heat Pump Discount applies to every Colorado home, and Power Ahead Colorado applies in Adams County. We file every rebate for the homeowner.
For an electric-heated home, the comparable 3-ton ducted heat pump total is $4,700. The programs are the Xcel Energy rebate ($2,200), the State of Colorado Heat Pump Discount ($1,000) and the Power Ahead Colorado rebate ($1,500). A 3-ton dual-fuel system in a gas-heated home has $7,000 in total rebates. The Colorado state discount comes off the invoice. The federal 25C credit ended for systems installed after 2025-12-31, so it is not part of these current rebate totals.
For the 2,000 square foot example home, a ducted heat pump costs $15,100 to $27,900 before rebates and $8,400 to $21,200 after rebates. A dual-fuel system costs $12,100 to $22,500 before rebates and $5,400 to $15,800 after rebates. For the 1,500 square foot ductless example, the price is $11,800 to $19,200 before rebates and $7,800 to $15,200 after rebates. The online estimate takes about 2 minutes, and a winter gas bill makes it more accurate.
Thornton ZIP codes have different housing patterns. In 80229, the median year built is 1982, 17.7% of homes were built before 1960, and 26.4% are multi-unit buildings. In 80233, the median year built is 1983 and multi-unit buildings make up 28.5%. These ZIP codes call for more careful duct and layout review than newer parts of Thornton.
In 80241, the median year built is 1995, gas heat reaches 73%, and detached homes make up 66%. In 80602, the median year built is 2007, gas heat reaches 79.4%, and detached homes make up 90.9%. Only 1.6% of 80602 homes are multi-unit, compared with 28.5% in 80233. Ducted and dual-fuel systems fit a larger share of 80602 housing, while ductless options matter more in the higher multi-unit ZIP codes.
Thornton in numbers
| Homes | Median year built | Built before 1960 | Built 2010 or later | Gas heat | Electric heat | Propane | |
|---|---|---|---|---|---|---|---|
| Thornton | 51,088 | 1996 | 5.1% | 16.5% | 69.7% | 27.6% | 1% |
| Adams County | 191,765 | 1990 | 13.5% | 14.9% | 68.8% | 27.1% | 2% |
| Colorado | 2,545,124 | 1987 | 16.3% | 14% | 66.7% | 25.2% | 4.9% |
| ZIP | Main town | Homes | Median year built | Heat with gas | Electric utility | Install area |
|---|---|---|---|---|---|---|
| 80229 | Thornton | 20,130 | 1982 | 68.2% | Xcel Energy | Yes |
| 80233 | Thornton | 18,309 | 1983 | 67.1% | Xcel Energy | Yes |
| 80241 | Thornton | 12,724 | 1995 | 73% | Xcel Energy | Yes |
| 80602 | Thornton | 13,834 | 2007 | 79.4% | Xcel Energy | Yes |
Systems and rebates in Adams County
- Ducted heat pump in Adams CountyPrices by home age and the Adams rebates for this system.
- Dual-fuel heat pump in Adams CountyPrices by home age and the Adams rebates for this system.
- Ductless mini-split in Adams CountyPrices by home age and the Adams rebates for this system.
- Heat pump rebates in Adams County$7,000 on a 3-ton gas home, program by program.
- Pool heat pumps in Adams CountyPool and spa heat pumps: local code rules, running cost and the swim season.
Other towns we install in
Questions we hear
Which heat pump system fits a typical Thornton house?
A ducted heat pump fits many Thornton homes with usable ducts. Detached houses make up 62.4% of the housing stock. Dual fuel fits many gas-heated homes because utility gas heats 69.7% of Thornton homes and the furnace remains available for the coldest hours. Ductless equipment suits homes without ducts, additions, condos, attached homes, and part of the 21.6% multi-unit housing share.
How do you size a heat pump in Thornton?
We size to 1°F outdoors and 70°F indoors, using 5,300 ft. At that elevation, an air-source heat pump loses 18% of heat output. The 2,000 square foot, 2-story example built from 1980 to 1999 has a design load of 2.8 tons and uses a 30 A breaker. We also check the ducts and electrical panel before installation.
What rebates stack for a gas-heated Thornton home?
A 3-ton ducted heat pump in a gas-heated home has $7,000 in total rebates. The programs are the Xcel Energy rebate ($4,500), the State of Colorado Heat Pump Discount ($1,000) and the Power Ahead Colorado rebate ($1,500). The Xcel Energy rebate is for Xcel Energy customers with gas furnace, gas boiler, or propane heat. The state discount applies to every Colorado home, and Power Ahead Colorado applies in Adams County. We file every rebate for the homeowner.
What does the Thornton example home cost?
For the 2,000 square foot, 2-story gas-heated example built from 1980 to 1999, a ducted heat pump is $15,100 to $27,900 before rebates and $8,400 to $21,200 after rebates. A dual-fuel system is $12,100 to $22,500 before rebates and $5,400 to $15,800 after rebates. The design load for this example is 2.8 tons.
Why do Thornton ZIP codes need different heat pump plans?
Housing age and home type differ by ZIP code. In 80229, 17.7% of homes were built before 1960 and 26.4% are multi-unit buildings. In 80602, the median year built is 2007, 90.9% are detached homes, and only 1.6% are multi-unit. Older and multi-unit homes need closer review for duct capacity, missing ducts, and ductless layouts.