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Denver

Office: Mon–Fri 7 am–7 pm, Sat 8 am–4 pm

Emergency line 24/7, holidays included

(303) 555-0167
Book a visit

Emergency heating and AC repair, 24 hours a day

A person answers every call, nights, weekends and holidays included. Two technicians are on call every night, and a third goes on call when Denver drops below zero.

Call (303) 555-0167Send an emergency request
Blue gas flames in the burner compartment of a furnace while a gloved hand holds a combustion analyzer probe at the flue

Two situations where you call 911 first

You smell gas

Get everyone out of the house now. Don't switch lights on or off, don't use the garage door opener and don't use a phone inside. Once you're outside and away from the house, call 911 and Xcel Energy's gas emergency line at 1-800-895-2999. Go back in only when they say it's safe, then call us.

Xcel Energy supplies gas to most of the metro. If your gas bill comes from another company, call the emergency number printed on it.

Source: Xcel Energy, news release of January 21, 2026.

On-call technicians

Denver

Two technicians are on call every night of the year.

  • Marcus Greene, senior technician, in a snowy Aurora backyard next to an outdoor heat pump

    MarcusEast side

  • Mateo Ruiz, technician, holding a multimeter next to a gas furnace in a Denver basement

    MateoWest side

  • Dana Whitfield, technician, leaning on an extension ladder in front of a suburban house

    DanaNorth side

  • Priya Raman, technician, in an open garage with a tool bag and a refrigerant gauge case on the workbench

    PriyaSouth side

No-heat calls with a baby, an older adult or medical equipment in the house go first. Tell the dispatcher.

  1. A person answers

    Day or night, someone from our dispatch picks up the phone.

  2. The technician calls you back

    Within 15 minutes. Some calls end there, with a reset that saves you the visit.

  3. Arrival

    At night, usually 45 to 90 minutes across the metro. The first big cold snap of the season can push that longer.

  4. A price before any work

    The repair comes from the same flat-rate book we use during the day. You approve it before we start.

After-hours prices

Weekday and Saturday visit
$89
Nights, Sundays and holidays
$179
Plan members, after hours
$89
Repair prices
Same book, day or night

Waiting on a part? We leave two electric space heaters at no charge until it's in.

Water spreading on a basement floor from an overflowing condensate pump under a furnace, lit by a flashlight

No heat? Check these four things first

  1. Thermostat

    Set it to Heat, a few degrees above the room temperature. Blank screen? Replace the batteries.

  2. Furnace switch

    It looks like a light switch on or near the furnace, and it gets flipped off by accident more often than you'd think.

  3. Vent pipes outside

    Snow or ice in the white PVC pipes shuts high-efficiency furnaces down. Clear them by hand, then set the thermostat again.

  4. Filter

    A gray, clogged filter can make the furnace shut itself off. Swap it if you have a spare.

While you wait, open the cabinet doors under the kitchen and bathroom sinks. Pipes on outside walls freeze first.

Technician available in your area

Denver time · · ·

Enter your ZIP code. You'll see who covers your street and the earliest window we usually offer at this hour, on Denver time.

Windows follow our usual dispatch rules for this time of day in Denver. The office confirms your exact window by phone when you book.

Denver metro service map Map of the Denver metro with our shop on South Santa Fe Drive, the four technician zones (Mateo west, Dana north, Marcus east, Priya south), the main highways and the ZIP codes we cover. MarcusMateoDanaPriya I‑25I‑70C‑470E‑470US 36 DenverAuroraLakewoodArvadaWestminsterLittletonCentennialEnglewoodGoldenThorntonWheat RidgeBroomfieldHighlands RanchCommerce CityParker Our shop

Your technician appears here

Four technicians, four zones. Type a ZIP code and we'll show who covers it and the earliest window at this hour.

Send an emergency request

Rather type than talk? The on-call technician gets this right away and calls you back within 15 minutes. If anyone in the house is at risk, call instead.

(303) 555-0167

Office: Mon–Fri 7 am–7 pm, Sat 8 am–4 pm

Emergency line 24/7, holidays included

2250 S Santa Fe Dr, Unit 6
Denver, CO 80223

Free parking in front of Unit 6. The front counter is at street level with a ramp and is wheelchair accessible. Furnace filters and thermostat batteries are sold at the counter on weekdays from 7 am to 5 pm. Get directions

office@halvorsenheatingair.com

What's happening?
Anyone at higher risk at home? (optional)

Emergency questions

Something else? Call (303) 555-0167. A person answers at any hour.

What counts as an emergency?

No heat in cold weather, no cooling in a heat wave for someone at risk, water leaking from the system or a burning smell. If you're not sure, call. We'll tell you honestly if it can wait until morning.

Do you charge more at night?

The visit is $179 at night, on Sundays and on holidays, and $89 for plan members. The repair itself comes from the same flat-rate book as during the day.

Will someone come on Christmas?

Yes. Two technicians are on call every night of the year, holidays included.

What if you need a part you don't have?

Most common parts are on the van. If one has to be ordered, we leave two electric space heaters at no charge until it's in.

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