Fast, Reliable Heat Pump & Mini Split Across Highlands
Heat pump and mini split repair in Highlands typically runs $150-$650, while a full system installation ranges from $3,500-$7,500. Most Highlands homeowners see us same day or next day, because we keep trucks stocked for the corrosion and flood patterns that define this stretch of the Houston Ship Channel. If your heat pump is blowing warm in cooling mode or your mini split is icing up, call (833) 313-7291. A live person answers, 24 hours a day.
We’ve been driving to Highlands since 2018. We know the difference between a house off Main Street built in 1952 and a post-Harvey rebuild near the San Jacinto River. That matters when you’re choosing between repairing a corroded coil or replacing the whole system. Our Heat Pump & Mini Split team doesn’t guess at what your home needs. We look at the actual conditions: your home’s age, its flood history, and the industrial air that’s been eating your copper coils from the inside out.
Why Fireside Heating & Air Co. of Houston Is Highlands’s Preferred Heat Pump & Mini Split Company
Homeowners in Highlands don’t call us for flashy trucks or lowball bids. They call us because their neighbor called us, or because we fixed their mother’s system in Channelview twenty years ago and she still has the magnet on her fridge. Over 42 years, we’ve built a reputation in the 77562 ZIP code and the surrounding river bottomlands by showing up when we say we’ll show up, quoting a price we stand behind, and backing every job with our 90-Day Done Right Promise - in writing, no paperwork, no arguing.
Our technicians are background-checked, uniformed, and trained as journeymen. They put on shoe covers without being asked. They know that a heat pump in Highlands isn’t just another Houston install. The sulfur dioxide and hydrogen sulfide drifting from the Ship Channel refineries create formicary corrosion in copper evaporator coils, a failure mode you won’t see in Katy or The Woodlands. We’ve replaced coils in systems only four years old. That experience changes how we spec equipment for Heat Pump & Mini Split in Highlands.
Phones are answered by a live person, every hour of every day. Nights, weekends, holidays. If your mini split dies at 2 a.m. in July, you’ll talk to someone who can dispatch a technician, not a voicemail tree promising a callback.
Our Heat Pump & Mini Split Services in Highlands
Heat Pump Repair
Heat pump repair in Highlands usually costs $150-$650, depending on whether we’re chasing a refrigerant leak, replacing a corroded coil, or swapping a failed compressor. The most common call we get: the system’s running, but it’s not heating or cooling worth a damn. Often that’s pinhole leaks in the evaporator coil from formicary corrosion. We pressure-test, locate the leak, and give you straight talk about repair versus replace. Sometimes a coated replacement coil buys you five more years. Sometimes the whole system’s too far gone. We’ll tell you which it is, and the price won’t change after we quote it.

Heat Pump Installation
A new heat pump installation in Highlands runs $3,500-$7,500. Every install we do here gets spec’d with corrosion resistance as a baseline, not an upsell. That means factory-applied epoxy-coated coils or all-aluminum coil systems, and outdoor condensers elevated above base flood elevation when the site allows. We recently replaced a 4-year-old Carrier heat pump in the San Jacinto River bottomlands off FM 2100 where every coil had pinhole leaks from formicary corrosion. We installed a new unit with factory-applied epoxy coating and elevated the outdoor condenser 18 inches above the base flood elevation, a recommendation now standard in Highlands. We install Carrier, Trane, Lennox, and Goodman systems sized for the latent load this river-bottom humidity creates.

Mini Split Install
Mini split installation in Highlands also falls in the $3,500-$7,500 range, depending on how many zones you need and the electrical run. For older pier-and-beam homes with rotted or undersized ductwork, a ductless multi-zone system often makes more sense than trying to force air through leaking channels. We mount the outdoor unit on flood-resistant brackets or elevated pads, run line sets with proper insulation against the Gulf moisture, and place indoor heads where they’ll actually condition the rooms you use. No ductwork means no ductwork to corrode or flood. For many Highlands homeowners, that’s the point.

Mini Split Repair
Mini split repair covers everything from refrigerant leaks in the line set to failed inverter boards and clogged condensate drains. In Highlands, we see a lot of outdoor unit fan motor failures from salt and chemical air, and condensate pumps that quit because the humidity never lets up. We stock parts for the major brands and most repairs finish in a single visit. If your mini split is short-cycling or throwing error codes, we’ll diagnose it and quote the fix before we touch a wrench.

Multi-Zone System Design
Multi-zone mini splits let you condition individual rooms without heating or cooling the whole house. In Highlands’s older homes, this solves two problems at once: the bad ductwork and the uneven temperatures that come from additions, enclosed porches, or rooms that never got proper supply runs. We size each zone for its actual load, not a rule-of-thumb chart. That matters when your living room faces west and your bedroom sits over a damp crawl space.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Highlands
We train our technicians on nine major brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. For Highlands’s corrosive air environment, we lean toward Carrier and Trane units with available epoxy-coated coils, and Goodman systems with all-aluminum evaporator options. We keep common parts stocked locally so most Highlands repairs don’t wait on a warehouse delivery. When you need a coil or a compressor, that day or two of lead time matters in August.
Common Heat Pump & Mini Split Problems We See in Highlands Homes
- Formicary corrosion in copper coils. The hydrogen sulfide and sulfur dioxide from Ship Channel refineries create microscopic tunnels in copper evaporator coils, leading to pinhole refrigerant leaks in 3-5 years. We see this in systems that would last 12-15 years in cleaner air. Coated or all-aluminum coils are the fix.
- Flood-damaged outdoor condensers. The San Jacinto River corridor floods in nearly every major storm. Ground-level condensers sit underwater, destroying compressors and electrical components. Elevated mounting and flood-aware placement are standard on our installs.
- Failed ductwork in pier-and-beam homes. Aging galvanized or flex duct in crawl spaces leaks conditioned air into the damp soil below, making heat pumps work harder for less result. Mini splits bypass this entirely, or we can seal and replace ductwork where it makes sense.
- Oversized or undersized equipment from prior installs. Many Highlands homes still carry original or first-replacement systems sized for the 1970s, not for today’s insulation levels or the extreme latent loads this bottomland humidity creates. Proper Manual J load calculation fixes the mismatch.
Pricing for Heat Pump & Mini Split in Highlands, TX
We believe in upfront pricing: the number we quote is the number you pay. No add-ons, no surprises after the work starts. Here’s what heat pump and mini split work typically costs in Highlands:
| Service | Price Range |
|---|---|
| Heat Pump Repair | $150 - $650 |
| Heat Pump Installation | $3,500 - $7,500 |
| Mini Split Install | $3,500 - $7,500 |
| Tune-Up | $80 - $200 |
What moves the number? For installs, it’s system size, electrical upgrades, whether we need to elevate the outdoor unit, and if we’re running new line sets through an older pier-and-beam structure. For repairs, it’s parts and refrigerant. We offer free estimates on replacements and our $89 seasonal tune-up catches corrosion and flood damage before they become failures. Seniors and veterans always receive 5% off. Call (833) 313-7291 for an exact quote on your home.
We Also Serve Cities Near Highlands
Our trucks run regular routes to Channelview, Baytown, Mont Belvieu, and Cloverleaf. If you’re in one of these communities and dealing with heat pump or mini split issues, the same live-answer phone line and same-day scheduling applies. We’ve worked in the Ship Channel industrial corridor long enough to know that the corrosion problems in Highlands show up in Channelview and Baytown too, just with different flood patterns and housing stock.
Serving Highlands, TX - Our Local Coverage Area
We’re based in the Highlands 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 - Heat Pump & Mini Split in Highlands
Industrial emissions from the Houston Ship Channel expose heat pump copper coils to hydrogen sulfide and sulfur dioxide, causing formicary corrosion that creates pinhole leaks in 3-5 years instead of the normal 12-15. This is a local environmental condition you won’t find in western Houston suburbs. We spec coated or all-aluminum coils on every Highlands install to combat it. Call (833) 313-7291 if your system is losing refrigerant - we’ll pressure-test and show you exactly what’s happening.
Yes, if your property sits in the San Jacinto River floodplain or has any history of standing water in storms. Elevating the condenser 12-18 inches above base flood elevation protects the compressor and electronics from the repeated flooding that destroys ground-level units here. We include flood-elevation planning as standard on every Highlands install, not as an optional upsell. Call (833) 313-7291 and we’ll assess your specific site.
Yes, and it’s often the best solution. Ductless mini splits bypass the aging, leaky ductwork common in Highlands homes built between the 1940s and 1970s. We mount indoor heads in the rooms you actually use, run line sets through the crawl space or exterior walls, and place the outdoor unit on elevated brackets. No ducts to leak, no crawl space air loss, no trying to force modern airflow through 70-year-old galvanized channels. Call (833) 313-7291 for a free assessment of your home’s layout.
Carrier and Trane both offer factory-applied epoxy-coated coils specifically to resist formicary corrosion, and Goodman makes systems with all-aluminum evaporator coils that eliminate the copper vulnerability entirely. We match the brand to your home’s size, your electrical service, and your budget. All three are brands we service and stock parts for locally. Call (833) 313-7291 and we’ll walk through the options for your specific situation.
Yes, Harris County requires permits for heat pump and mini split replacements and new installations, including electrical and refrigeration line work. We pull the permit, schedule the inspection, and handle the paperwork as part of our standard installation process. You won’t need to visit the county office or track down an inspector. The permit protects your warranty and ensures the work meets current flood-elevation and electrical codes. Call (833) 313-7291 to schedule - we’ll explain the timeline when we quote your job.
Ready to talk about your heat pump or mini split? Call (833) 313-7291 now. A live person will answer, day or night, and we’ll get you scheduled for a free estimate or same-day repair. Every job is backed by our 90-Day Done Right Promise - in writing, no arguing, no paperwork. That’s how we’ve served this community for over 42 years.
Written by Randall Becker, Owner at Fireside Heating & Air Co., serving Highlands since 2018.