Installs in Castle Rock
Strata Heat Pumps installs heat pumps in Castle Rock, in every ZIP code listed on this page. The online estimate gives a price range and your rebates for a Castle Rock address in about two minutes.
Castle Rock homes and the local housing mix
Castle Rock has 27,824 homes, with 26,917 occupied. Census figures put the median construction year at 2006, later than Douglas County at 2001 and Colorado at 1987. Homes have a median of 7 rooms, close to the county's 7.3 and above the state's 5.7. That newer, larger housing mix calls for a room by room review of ducts, insulation, and the electrical panel before selecting equipment.
Construction after 2009 accounts for 36.2% of Castle Rock homes. Douglas County has 24.3% in that period, while Colorado has 14%. Another 33.5% of local homes were built from 2000 to 2009. These newer homes are the core of Castle Rock's housing stock, so existing central ductwork is a strong starting point for many heat pump plans.
Detached houses make up 74.6% of Castle Rock homes. That is close to Douglas County's 74.1% and above Colorado's 61.8%. Multi unit buildings account for 18.4%, below the county's 19.7% and the state's 26.9%. A central ducted system or a dual fuel system fits many detached homes, while ductless equipment fits condos and attached homes without useful ducts.
How Castle Rock homes heat today
Utility gas heats 77.5% of Castle Rock homes. The county rate is 73.9%, and Colorado's is 66.7%. Castle Rock therefore has a larger gas heated share than either comparison. A heat pump can replace that heating load while also providing cooling, or it can work with the existing furnace in a dual fuel setup.
Electricity heats 21.1% of local homes, compared with 22.3% across Douglas County and 25.2% statewide. Propane serves 0.8% here, below the county's 2.6% and the state's 4.9%. Gas furnaces dominate local heating, but electric and propane homes need the same careful design temperature sizing.
Castle Pines Village has an 88.3% gas heating share, above Castle Rock's 77.5%. Castle Pines is at 79.6%, Franktown is at 84.6%, and The Pinery is at 81.4%. Castle Rock has the highest electric heating share among these places at 21.1%, compared with 18.6%, 15.4%, and 14.5%. That larger electric segment creates a clear ductless option for homes without ducts.
Choosing a system for Castle Rock homes
A ducted heat pump suits a home with usable central ducts. This is a practical match for much of Castle Rock's 74.6% detached housing stock and its median 2006 construction year. We measure the home, inspect the ducts, and check the electrical panel before installation. The heat pump moves heat instead of burning fuel and also cools the home.
Dual fuel keeps the gas furnace for the coldest hours. It fits gas heated homes that have ducts and want to retain their furnace, a group that includes 77.5% of Castle Rock homes. Castle Rock's newer housing share supports an inspection of the existing duct system first. A dual fuel design uses the heat pump through much of the heating work and the furnace when the selected controls call for it.
Ductless equipment suits homes without ducts, additions, condos, and attached homes. Castle Rock has 6.5% attached houses and 18.4% in multi unit buildings. The town has only 1.3% of homes built before 1960, versus 16.3% statewide. Older homes are more likely to lack ducts or have small ducts, so ductless is particularly useful for that smaller local group and for room additions in newer homes.
Sizing for Castle Rock's design conditions
Our estimate tool sizes Castle Rock equipment to 1°F outdoors and 70°F indoors. It uses an elevation of 5,300 ft. Air source heat pumps lose 18% of output at that elevation, and the selected equipment delivers a coefficient of performance of 2 at the design temperature. These conditions make a local load calculation necessary, rather than choosing equipment by floor area alone.
The example is a 2,000 square foot, two story, gas heated home built in 2010 or later. Its design heat load is 2.0 tons, and the example calls for a 20 A breaker. The result reflects the local design temperature and elevation. A similarly sized home built before 1960 has a design load of 3.4 tons, showing why the home's construction period changes equipment selection.
Castle Rock's 36.2% share of homes built in 2010 or later exceeds Douglas County's 24.3%. Its 1.3% share built before 1960 is close to the county's 1.4%. Franktown differs sharply, with 17.7% built before 1960 and a 1994 median construction year. Castle Rock sizing should follow the specific home, because nearby housing ages and heat loads do not match.
Example heat pump prices in Castle Rock
For the example 2,000 square foot home, our estimate tool gives a ducted heat pump price of $12,800 to $21,300 before rebates. The price after applicable rebates is $7,300 to $15,800. This example assumes a home built in 2010 or later with a gas furnace, a 2.0 tons design load, and the stated electrical requirement. Your home's ducts and panel inspection determine the final scope.
For that same example home, a dual fuel system is $10,200 to $17,100 before rebates and $4,700 to $11,600 after rebates. Dual fuel keeps the gas furnace for the coldest hours. The difference in equipment approach matters because Castle Rock has a 77.5% gas heating share. We use the home's load, ducts, and existing furnace condition to decide between ducted heat pump replacement and dual fuel.
For a 1,500 square foot home with electric heat and no ducts, the ductless example uses 3 indoor units. Its price is $11,800 to $19,200 before rebates and $8,300 to $15,700 after rebates. Our estimate tool uses 500 sq ft per ductless indoor unit and prices up to 5 indoor units before a custom quote. Most installations take one day. Jobs with several ductless units can take two or three days.
Castle Rock heat pump rebates
Castle Rock homes can stack the Xcel Energy rebate, the State of Colorado Heat Pump Discount, and the Power Ahead Colorado rebate when the program rules apply. The Xcel Energy gas, boiler, or propane rebate is $1,500 per ton of heating. The state discount is $1,000, and Power Ahead Colorado is $1,500. The state discount comes off the invoice, and we file every rebate for the homeowner.
For a three ton ducted heat pump in a gas heated home, total rebates are $7,000. That total includes the Xcel Energy rebate ($4,500), the State of Colorado Heat Pump Discount ($1,000) and the Power Ahead Colorado rebate ($1,500). A propane home has total rebates of $7,000 for the same three ton ducted example. A dual fuel system in a gas heated home has total rebates of $7,000. These programs apply to each of the three system types under their listed rules.
Electric heated homes have a different Xcel Energy amount of $750 per ton of heating. For a three ton ducted heat pump in an electric heated home, total rebates are $4,700, including the Xcel Energy rebate ($2,200), the State of Colorado Heat Pump Discount ($1,000) and the Power Ahead Colorado rebate ($1,500). A three ton ductless system replacing electric heat also has total rebates of $4,700. Xcel Energy supplies gas here, and our settings identify the electric utility as Xcel Energy.
How Castle Rock ZIP codes differ
The 80104 ZIP profile has 13,945 homes and a 2002 median construction year. Gas heat is 76.5%, electric heat is 20.8%, and propane is 2.1%. Detached homes account for 74.5%, while multi unit buildings account for 18%. This mix closely resembles Castle Rock's townwide detached and multi unit shares, so both ducted and ductless evaluations matter.
The 80109 ZIP profile has 9,598 homes and a later 2007 median construction year. Gas heat reaches 80.7%, above 80104's 76.5%, while electric heat is 18%, below 80104's 20.8%. Detached homes make up 79.9%, compared with 74.5% in 80104. Existing furnace and duct layouts deserve close review in this more gas heated, more detached profile.
The 80108 ZIP profile has 12,801 homes and a 2005 median construction year. It has 78.8% detached homes, above 80104's 74.5%, and 15.3% multi unit buildings, below 80104's 18%. Homes built in 2010 or later represent 33.9% in 80108, versus 25.8% in 80104 and 36.7% in 80109. ZIP data guides the first conversation, while the home measurement sets the final system size.
Castle Rock in numbers
| Homes | Median year built | Built before 1960 | Built 2010 or later | Gas heat | Electric heat | Propane | |
|---|---|---|---|---|---|---|---|
| Castle Rock | 27,824 | 2006 | 1.3% | 36.2% | 77.5% | 21.1% | 0.8% |
| Douglas County | 140,542 | 2001 | 1.4% | 24.3% | 73.9% | 22.3% | 2.6% |
| 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 |
|---|---|---|---|---|---|---|
| 80104 | Castle Rock | 13,945 | 2002 | 76.5% | Xcel Energy | Yes |
| 80108 | Castle Pines | 12,801 | 2005 | 76.4% | Xcel Energy | Yes |
| 80109 | Castle Rock | 9,598 | 2007 | 80.7% | Xcel Energy | Yes |
Systems and rebates in Douglas County
- Ducted heat pump in Douglas CountyPrices by home age and the Douglas rebates for this system.
- Dual-fuel heat pump in Douglas CountyPrices by home age and the Douglas rebates for this system.
- Ductless mini-split in Douglas CountyPrices by home age and the Douglas rebates for this system.
- Heat pump rebates in Douglas County$7,000 on a 3-ton gas home, program by program.
- Pool heat pumps in Douglas 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 Castle Rock home with ducts?
A ducted heat pump fits a home with usable central ducts. Dual fuel fits a gas heated home that keeps its furnace for the coldest hours. Utility gas heats 77.5% of Castle Rock homes, and detached houses account for 74.6%. We measure the home, inspect ducts, and check the electrical panel before selecting either option.
What rebates apply to a gas heated Castle Rock home?
For qualifying Xcel Energy customers who heat with a gas furnace, boiler, or propane, the Xcel Energy rebate is $1,500 per ton of heating. The State of Colorado Heat Pump Discount is $1,000, and Power Ahead Colorado is $1,500. For the three ton ducted gas example, total rebates are $7,000. We file every rebate, and the state discount comes off the invoice.
How is a Castle Rock heat pump sized?
We size to 1°F outdoors and 70°F indoors, using an elevation of 5,300 ft. Air source output loses 18% at that elevation. The 2,000 square foot, two story example home built in 2010 or later has a 2.0 tons design load. A similar home built before 1960 has a 3.4 tons load, so construction period changes the equipment choice.
What does a heat pump cost for the example home?
For the 2,000 square foot example home, a ducted heat pump costs $12,800 to $21,300 before rebates and $7,300 to $15,800 after rebates. A dual fuel system costs $10,200 to $17,100 before rebates and $4,700 to $11,600 after rebates. The example has a gas furnace, was built in 2010 or later, and has a 2.0 tons design heat load.
How does ductless pricing work in Castle Rock?
The ductless example is a 1,500 square foot home with electric heat and no ducts. It uses 3 indoor units and costs $11,800 to $19,200 before rebates, or $8,300 to $15,700 after rebates. Our estimate uses 500 sq ft per indoor unit and prices up to 5 units before a custom quote. Ductless equipment also cools the home.