Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateHVAC Company in Alpine, CA
Alpine’s high-desert location in the Cuyamaca Mountains means your heating and cooling system has to work harder than almost anywhere else in San Diego County. A 40-degree temperature swing between noon and midnight is normal here, and that’s exactly what strains aging condensers, undersized ducts, and original R-22 systems in the ranch-style homes that make up most of Alpine. We handle AC repair, furnace repair, and AC installation for homeowners throughout Alpine, CA, with written pricing before any work begins and a live person answering the phone around the clock at (619) 793-3598.
Why Alpine Homes Are Different
Most Alpine homes were built between the 1970s and the 1990s, and many still run the equipment and ductwork they were designed with. That matters because summer highs regularly pass 100°F while winter nights dip into the 30s. A system sized for one extreme rarely handles the other well, and the homes we visit in the Palo Verde and Willows areas often have original undersized ductwork that makes the problem worse. Low humidity is another Alpine-specific factor: evaporative coolers, which work in other dry climates, barely function here because the air is already so dry. Homeowners need traditional refrigerant-based air conditioning, and that equipment needs to be in good shape before the first June heat wave hits.
We also see a lot of original R-22 condensers from the 1980s still running in Alpine. These systems are decades past their expected lifespan, and the first sustained heat of early summer tends to blow capacitors and expose refrigerant leaks. When that happens, the repair is rarely a simple swap: R-22 refrigerant is no longer manufactured, so homeowners often face the choice of a costly recharge or a full system replacement. We walk through both options with a written price for each before a single tool comes out.
Styles & brands we work with







Our Main Alpine Services
Most calls from Alpine homeowners fall into two categories: a system that quit during a heat wave, or a furnace that won’t fire on a 35-degree night. Here’s what each job involves in Alpine, with the third option for those ready to replace an aging system.
AC Repair in Alpine
When your air conditioner stops cooling in July, the problem is usually one of a handful of things: a failed capacitor, a refrigerant leak, a clogged condensate line, or a contactor that’s welded shut. In Alpine, we diagnose these issues on homes with original equipment from the 1980s and 1990s as often as we do on newer systems, so our technicians are trained to work on whatever is already in your home, including R-22 systems nearing the end of their service life. Every repair comes with a written 365-day guarantee. If the fix fails inside a year, we return and correct it at no charge. AC Repair in Alpine

Furnace Repair in Alpine
Alpine winters are mild by national standards, but nights in the 30s still put real demand on furnaces, especially in homes where the system sits idle for eight months of the year. Igniters, flame sensors, and control boards are the most common failures we see when the first cold snap arrives in late fall, and we often find that a furnace has not been inspected in years. Our technicians diagnose the actual fault, quote a written price for the repair, and complete the work with the same 365-day guarantee we put on every furnace repair in Alpine. Furnace Repair in Alpine

AC Installation in Alpine
Replacing an AC system in Alpine means sizing it for 100-degree summer days without oversizing it for the mild winters that follow. Many older Alpine homes also need ductwork modifications or replacement to get the efficiency they’re paying for, and we factor that into the written quote we provide before any work begins. We install systems from brands including Carrier, Trane, and Lennox, matched to the home’s square footage, insulation, and exposure rather than a one-size-fits-all tonnage. Installation includes a written price, a set install date, and all rebate paperwork handled. AC Installation in Alpine

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Alpine
Our technicians are trained on nine major residential HVAC brands, including Carrier, Trane, Lennox, Daikin, Bryant, and American Standard. We carry common replacement parts in our service vehicles so most Alpine repairs are completed the same day rather than waiting on a parts shipment. See our brands for the full list of systems we work on.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Alpine, CA
| Service | Typical Range in Alpine |
|---|---|
| AC repair (diagnostic and common fixes) | $150 – $650 |
| Furnace repair (igniter, flame sensor, control board) | $150 – $700 |
| Full AC installation (system, labor, and setup) | $3,500 – $7,500 |
| Seasonal tune-up (AC or furnace) | $80 – $200 |
What pushes a repair toward the higher end in Alpine is usually the age of the equipment. A capacitor swap on a 2015 condenser is quick and inexpensive; a refrigerant leak on a 1985 R-22 unit is neither. The written price we hand you before any work starts is the price you pay, no exceptions. If a job requires something we didn’t anticipate, we discuss it and get your approval in writing before proceeding.
Neighborhoods We Serve in Alpine
We work throughout Alpine, CA, including the hillside communities where long driveways and steep lots require a different approach to equipment staging and cleanup. Typical response time for a service call anywhere in Alpine is same-day for emergency repairs and within one to two days for routine maintenance.
- Palo Verde
- The Willows
- Alpine Heights
- Victoria Park
- Harbison Canyon
Service Area – Cities Near Alpine
While this page focuses on Alpine, our service area extends to the neighboring communities where many Alpine homeowners have family, rental properties, or businesses. We regularly handle HVAC work in Lakeside, CA, El Cajon, CA, Santee, CA, and Spring Valley, CA. Each area has its own page with local pricing and conditions.
Serving Alpine, CA - Our Local Coverage Area
We’re based in the Alpine area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in Alpine
Same-day service is available for most Alpine calls when you reach us before early afternoon. Emergency calls where a system has failed during a heat wave or cold snap get priority, and a live person answers the phone 24 hours a day to schedule the visit. Call (619) 793-3598.
Most repair work does not require a permit, but full system replacements in Alpine often do, especially when ductwork is involved. We handle the permit paperwork as part of the installation quote and confirm what’s required before we schedule the work.
We serve the entire Alpine area, including Palo Verde, the Willows, Alpine Heights, and Harbison Canyon. Hill access and gated properties in the mountain communities are routine for us, and we coordinate access directly with you when scheduling.
If your system is struggling with Alpine’s temperature swings, call (619) 793-3598 for a written estimate. Victor Mancini and the Coldharbour Heating & Air team are ready to help.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Alpine Customers Say
"AC quit on the hottest day of the year of course. Coldharbour had a tech out that evening, found a bad capacitor, and had us cool again within the hour. Charged the quote, not a penny more."
- Doug Feeney"Signed up for a tune up before summer. He found a part starting to fail and showed me the reading, didn't just tell me to trust him. Fixed it then so we wouldn't get stuck in July."
- Sophia Tran"Our upstairs never cooled right. He found the duct run was half blocked and the system low on charge, fixed both, and now the whole house is even. Explained every step."
- Deanna Boleyn