Seasonal 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.
HVAC Company in Ojus, FL
Most HVAC service calls in Ojus trace back to three forces: concrete block homes built between the 1950s and 1970s, a cooling season that stretches ten or eleven months, and relative humidity that rarely drops below 80%. We’re Coldharbour Heating & Air, and our technicians work in these conditions daily. If your system’s blowing warm, cycling too often, or not keeping up with the moisture load, call us at (817) 402-2972. We’ll send a written price before any work starts, and every repair carries our 365-Day Done Right Promise.
Why Ojus Homes Are Different
Ojus sits in unincorporated Miami-Dade County, which means every HVAC installation falls under the High Velocity Hurricane Zone, the strictest wind-load jurisdiction in the continental U.S. Every condenser, air handler, and piece of rooftop equipment must carry a Miami-Dade Notice of Acceptance or Florida Product Approval with an HVHZ listing. Many units legally sold in Broward County, just across the line, won’t pass inspection here. We’ve seen contractors from Hallandale Beach or Hollywood quote Ojus homeowners on non-compliant equipment, then leave them with a failed inspection and a second round of re-inspection fees.
The housing stock compounds the challenge. Most Ojus homes are concrete block construction from the postwar suburban boom, with air handlers squeezed into narrow interior utility closets or hallway soffits rather than open attics. That layout turns a standard equipment swap into a careful extraction job. Original ductwork is often undersized fiberglass duct board, degraded by decades of humidity and stapled into soffits too tight for modern flex duct runs. When we quote a replacement in Ojus, we’re accounting for both the HVHZ hardware requirements and the physical constraints of a 1962 CBS ranch.
Our Main Ojus Services
Ojus homeowners call us most often for cooling system work, with furnace calls picking up during the brief winter weeks. Here’s what each job looks like in this market.
AC Repair in Ojus
AC repair in Ojus usually means addressing latent heat overload. Systems here run almost year-round, and the humidity is the killer: weak compressors, dirty evaporator coils, or low refrigerant charges all show up first as muggy indoor air, not just warm air. Our trucks stock common capacitors, contactors, and refrigerant so we can often complete the repair in one visit. Every repair comes with a written 365-day guarantee. AC Repair in Ojus

Furnace Repair in Ojus
Furnace repair in Ojus is less frequent but no less urgent when a cold front drops temperatures into the 40s. Most local furnaces are electric heat strips inside the air handler, not gas units, so “furnace repair” often means testing sequencer relays, checking heat strip amp draw, and verifying the defrost board on heat pump systems. We carry heat strip elements and sequencers for common Goodman and Rheem configurations. Furnace Repair in Ojus

AC Installation in Ojus
AC installation in Ojus requires HVHZ-compliant equipment, Miami-Dade permitting, and inspectors who check condenser tie-downs on every job. We handle the NOA verification, pull permits directly through the county, and install with concrete pad anchoring or rooftop hurricane strapping as required. A proper load calculation is essential: many original systems were oversized for the old ductwork, and a straight swap often performs worse than a right-sized unit with duct modifications. AC Installation in Ojus

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 Ojus
Our technicians train on nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock capacitors, contactors, and common control boards for Goodman, Rheem, York, and Daikin units locally, which keeps most repair visits to a single trip. Dispatch and scheduling for Ojus are coordinated from our Miami office, with crews serving the area directly.
Pricing for HVAC Company in Ojus, FL
| Service | Typical range in Ojus |
|---|---|
| AC Repair | $150 - $650 |
| Furnace Repair | $150 - $700 |
| AC Installation | $3,500 - $7,500 |
| Tune-Up | $80 - $200 |
What pushes prices toward the higher end in Ojus: HVHZ-compliant equipment costs more than standard units, duct modifications in tight soffits add labor hours, and failed inspections from improper permitting generate re-inspection fees that get passed to the homeowner. We eliminate that last risk by handling permits correctly the first time. Before any work begins, you’ll receive a written price that won’t change at the door.
Neighborhoods We Serve in Ojus
We work across the full Ojus area, from the older CBS neighborhoods near the Greynolds Park corridor to the townhome communities closer to Biscayne Boulevard. Most calls reach us within our standard response window.
- Greynolds Park area
- Biscayne Gardens
- Rolling Green
- Ives Estates (eastern Ojus)
- Ojus Proper (NE 186th Street corridor)
Service Area – Cities Near Ojus
Our crews also handle calls in surrounding communities. We regularly dispatch to Miami, FL for broader metro coverage, and we serve homeowners in Jacksonville, FL, Tampa, FL, and Orlando, FL through the Kingswell network of independently operated HVAC businesses.
Serving Ojus, FL - Our Local Coverage Area
We’re based in the Ojus 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 Ojus
We answer calls live 24 hours a day, and our Miami-based dispatch coordinates same-day arrival for cooling emergencies during the peak season. Most Ojus calls are scheduled within a four-hour window. Call (817) 402-2972 to check current availability.
Ojus is unincorporated, so permits go through Miami-Dade County, not a city building department. Every installation requires HVHZ compliance and county inspection. HOAs in specific neighborhoods may have their own equipment placement rules; we verify both layers before starting work.
The High Velocity Hurricane Zone requires stronger equipment anchoring, NOA-approved units, and additional inspection steps. Contractors quoting standard Broward-spec equipment for Ojus jobs are either uninformed or hoping the homeowner won’t notice the failed inspection. We quote compliant equipment from the start.
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 Ojus Customers Say
"AC died overnight with a newborn in the house. They bumped us up the list and had it running by noon. I about hugged the guy. Fair price even on a rush call."
- Celeste Ngo"The repair was done well and quickly. Scheduling over the phone was a little clunky and I got transferred twice, but the tech himself was great and on time."
- Brett Haygood"Furnace was short cycling all winter. They diagnosed a bad sensor instead of condemning the whole unit like I feared. Cheap fix, honest call."
- Russ Tiedemann







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