HVAC in Erie, CO: Heating Service for a Town on the County Line
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Heating a home in Erie
In Erie, the first question about a new furnace or heat pump is not which model. It is which side of the county line the house is on, and whose name is on the bills. The town sits in both Boulder County and Weld County, three utilities serve it, and the rebates a homeowner can claim this winter depend on both. Boulder HVAC Pros serves Erie from Boulder. This page is about what heating a home here actually involves, at 5,030 feet, in a housing stock with a 2007 median build year, and what to do when yours stops.
Erie is a town of about 11,300 housing units at roughly 5,030 feet, split between Boulder County and Weld County, where four homes in five heat with utility gas and the median house dates from 2007. Elevation, housing age, fuel, and who serves the address decide most of what goes right or wrong with a heating system here, so each has its own section below.
Elevation: what 5,030 feet does to a furnace
The U.S. Geological Survey puts the town centre at about 5,027 feet above sea level. Air is thinner here, and so is the natural gas in the line, and a gas furnace only burns cleanly when the two reach the burner in the proportion its maker designed. Goodman’s installation manual for its GM9S8 furnaces requires that “when this furnace is installed at high altitude, the appropriate High Altitude orifice kit must be applied,” notes that a different pressure switch may be needed, and prohibits derating by turning the manifold pressure down, because thin air and low pressure together “may cause incomplete combustion, flashback, and possible yellow tipping.” In a house where the furnace was fitted by the builder rather than chosen by the owner, it is worth confirming the kit was part of that install. Incomplete combustion is how carbon monoxide is made.
Housing age: a 2007 median, and almost nothing before 1980
The Census Bureau’s 2019–2023 American Community Survey puts the median year built for Erie’s 11,277 housing units at 2007. Of those, 77.8 percent were built in 2000 or later: 4,325 from 2000 to 2009, the town’s largest decade of building, 3,608 in the 2010s and 838 in 2020 or later. Only 6.3 percent predate 1980, and the 136 units from before 1940 are the old town. For heating, that means two very different houses. One is a 2000s home whose original furnace, if nobody has replaced it, is now seventeen to twenty-six years old and has no replacement history. The other is a pre-war house that has been through several heating systems and was never designed around any of them. The build year is the first thing we ask.
Your next step
If your furnace is struggling, or you are weighing a heat pump before the Town’s 2026 rebate year closes, call Boulder HVAC Pros on (720) 764-0399. Have the furnace’s rating plate, your gas and electric bills, and your address to hand; the county and the utility settle most of the rebate questions on this page before we arrive.
HVAC services in Erie
For most homes here the work is gas heating in winter, cooling in summer, and a water heater in between. The Town lists furnace and central air installations or replacements, mini-splits, boilers and water heaters among the projects that need a building permit, so each replacement below is permitted work. Here is how each service applies, with the page that covers it in full.
Furnace repair. With four in five homes on gas, this is the January call. On a 2000s house still on its original furnace, the components to check are a sensor, an igniter, an inducer or a pressure switch; on the old-town houses, the flue and return that earlier systems left behind. The altitude kit is the first thing we check on either. Start with furnace repair for Erie-area homes.
Furnace replacement. A first replacement in a builder-fitted house is the one chance to correct what the builder sized: a load calculation rather than a like-for-like swap, the altitude orifice kit, and the Town’s permit. The Town lists “Electrical to gas conversion” as permitted work too, so a change of fuel is on its list by name. See furnace installation.
Heat pumps. The Town of Erie runs its own Energy Efficiency Rebates for 2026, and cold-climate air source heat pumps, cold-climate mini-splits, ground source heat pumps and heat pump water heaters are all on its list. The equipment has to be NEEP-certified with an AHRI certificate, and the applicant has to be a Town of Erie utility customer. Read heat pump installation and heat pump repair.
Maintenance. An annual inspection on a twenty-year-old original furnace is how a first replacement becomes a planned one: combustion check, static pressure, flue condition. See heating maintenance and tune-ups.
Air conditioning. Central air, mini-splits and evaporative coolers are all on the Town’s permit list, and since April 24, 2026 new permits are reviewed under the 2026 National Electrical Code. See AC installation and AC repair.
Water heaters and boilers. Water heater installations or replacements and boiler installation or replacement both need a Town permit. See water heater services and boiler repair and maintenance.
When it will not wait. A furnace out on a January night in a house full of people is an emergency call: emergency HVAC repair.
Why homeowners in Erie call Boulder HVAC Pros
- We are based in Boulder.
- We know that a furnace here has to be set up for 5,000 feet, and the altitude kit and pressure switch are the first thing we check on every gas appliance here, builder-fitted or not.
- We know the town sits in two counties with three utilities, and we ask for the address and the bills before we say anything about a rebate, because the answer is different from one street to the next.
- And we know the Town's process: furnaces, central air, mini-splits, boilers and water heaters all need a building permit, and inspections are scheduled through the Town's eTRAKiT portal by a contact listed on the permit.
Why this winter, in Erie
- the federal 25C credit for efficient heating equipment applied only to property placed in service before December 31, 2025, and any blog still promising a federal heat pump credit for a 2026 install is out of date. What ended and what remains is kept current in our rebates guide.
- the Town's own Energy Efficiency Rebates are for purchases made between January 1 and December 31, 2026, and the Town says funds are limited and first come, first served. A heat pump or heat pump water heater bought in January 2027 is outside this year's programme. The Town pays smaller rebates as a credit on the water bill and larger ones by cheque.
- the codes changed this spring. On April 14, 2026 the Town Council adopted the 2024 International Energy Conservation Code with local amendments and the 2026 National Electrical Code by Ordinance No. 12-2026, effective April 24, 2026; the mechanical and fuel gas codes remain the 2021 editions. Where Xcel is your utility, its heat pump rebates also require install and invoice by December 31, 2026.
How Erie heats: four in five on gas
The same survey’s house-heating-fuel table records 11,101 occupied homes: 81.3 percent heat primarily with utility gas, 16.8 percent with electricity, and well under one percent with bottled gas or wood. Three caveats travel with those numbers. The survey counts one primary fuel per home, so a heat pump paired with a gas furnace shows up as one or the other; the figures centre on about 2021; and “electricity” covers baseboard and resistance heat as much as it covers heat pumps. What the table does say is that a heating call here is a gas furnace call four times in five, which means combustion, venting and gas pressure at altitude, and that the electric share, about 1,870 homes, is small enough that a heat pump conversion is still a decision here rather than a default.
Who serves this address: two counties, three utilities
Erie straddles the county line: the Census Bureau’s 2020 place-by-county file lists it in both Boulder County and Weld County. On the Boulder County side, Boulder County’s EnergySmart rebate, income-qualified only for 2026, is open to you; on the Weld County side it is not, because it is for Boulder County residents. Utilities do not follow a rule we can state for you: the Town says Xcel Energy, United Power and Black Hills Energy provide electricity and natural gas here, lists United Power and Xcel for electricity and Xcel and Black Hills for gas, and publishes an interactive map to find the providers for your address. Check the map and your bills before assuming any utility rebate applies. Where it is Xcel, its furnace rebate requires a 95 percent AFUE unit replacing a non-condensing one and Xcel gas service.
Erie heating FAQ
Is Erie in Boulder County or Weld County, and does it matter for rebates?
Both, and yes. The Census Bureau’s 2020 place-by-county file lists the Town of Erie under Boulder County and under Weld County. Boulder County’s EnergySmart rebate is for Boulder County residents and is income-qualified only for 2026, so an address on the Boulder County side can apply and one on the Weld County side cannot. Check which county your property is in first.
Do you need a permit to replace a furnace in Erie?
Yes. The Town of Erie’s Building Division lists “Furnace/Central air installations or replacements/Mini split”, boiler installation or replacement, and water heater installations or replacements among the projects that require a building permit, along with air conditioning units and evaporative coolers. It describes the list as a guide rather than complete and asks residents to call the Building Division about a specific project. Inspections are scheduled through the Town’s eTRAKiT portal.
Which utility serves Erie, and does it affect rebates?
It depends on the address. The Town lists United Power and Xcel for electricity and Xcel and Black Hills Energy for natural gas, and publishes an interactive map of providers by address. Xcel’s furnace rebate requires Xcel gas service and a 95 percent AFUE unit replacing a non-condensing one; its heat pump rebates require an Xcel account. Check the map and your bills before assuming.
Does the Town of Erie offer its own heat pump rebates?
Yes, for 2026. The Town’s Energy Efficiency Rebates cover cold-climate air source heat pumps, cold-climate mini-splits, ground source heat pumps and heat pump water heaters, among other measures. Applicants must be Town of Erie utility customers with a current account, the purchase must fall between January 1 and December 31, 2026, the equipment must be NEEP-certified with an AHRI certificate, and funds are first come, first served. It is one rebate per measure, and a rebate cannot be greater than the purchase price. The amounts are on the Town’s page.
How old are Erie homes, and why does that matter for heating?
The 2019–2023 American Community Survey puts the median year built at 2007, with 77.8 percent of 11,277 units built in 2000 or later and only 6.3 percent before 1980. A 2000s house still on its original furnace has equipment seventeen to twenty-six years old and no replacement history. The few pre-war houses in the old town are the opposite case.
Do most Erie homes heat with gas or electricity?
Gas. Of 11,101 occupied homes, 81.3 percent heat primarily with utility gas and 16.8 percent with electricity, per the same survey. The survey counts one primary fuel per home and cannot separate heat pumps from baseboard, so the electric figure is not a heat pump adoption rate. In round numbers it is about 1,870 homes heating electrically against roughly 9,000 on gas.