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 estimateFast, Reliable AC Installation Across Tomball
AC installation in Tomball runs $3,500 – $7,500 for a complete system, and most jobs take one full day from start to finish. That’s the honest range we quote before we ever touch a thermostat, because Tomball’s split housing stock, from 1970s pier-and-beam ranches near Main Street to newer slab-on-grade homes in Willow Creek, changes what a proper install actually costs. If your system died or your energy bills have climbed past the point of sense, call (832) 371-9862 and a live person answers, day or night. We schedule Tomball jobs every week and our crews know the difference between a 1968 ranch off Zion Road and a three-year-old two-story in Amira.
Led by Victor Mancini, our AC Installation team handles the whole job: load calculation, equipment selection, ductwork assessment, refrigerant lines, electrical, and final startup. You get a written price before any work begins, and the guarantee is on paper before the crew leaves. No surprises at the door. That’s how we run every installation in Tomball, and it’s the only way we’ve done business since 2003.
Key Takeaways
- Tomball pricing: AC installation runs $3,500 – $7,500, furnace installation $150 – $700 for the labor-intensive portion of a combined system swap, and repairs $150 – $650.
- One day, typically: Most complete AC changeouts in Tomball take a single day, though heat pump conversions on older ranches can run into a second morning.
- The 365-Day Done Right Promise: If a repair fails within a full year, we come back and fix it at no charge. The guarantee is written, not verbal.
- Written price first: You receive a fixed price before we begin, and it does not change at the door.
- Live person, 24/7: Call (832) 371-9862 any hour. No voicemail tree, no answering service runaround.
Styles & brands we work with
Why Cold Harbour Heating and Air Houston Is Tomball’s Preferred AC Installation Company
We are an independently owned and operated member of the Kingswell network, founded in 2003, and our reputation in Tomball is built on showing up in the window we give and putting the price in writing before the first tool comes out. Homeowners here have told us the same stories for years: a company quotes one number on the phone, then another at the door, then the install crew can’t find the right duct adapter for a 1979 ranch and the job drags into day three. We do not run our business that way.
Our technicians are background-checked and uniformed, and they are trained on equipment from Carrier, Trane, Lennox, and Goodman, among others. That matters in Tomball because our service routes bounce between 1960s pier-and-beam homes with original ductwork and brand-new master-planned communities with zoned high-efficiency heat pumps. Same crew, same day, very different jobs. We carry multiple refrigerant options, multiple plenum sizes, and the patience to do a Manual J load calculation on every install rather than eyeballing square footage. Dispatch and scheduling run from our Houston office; the crews themselves serve Tomball locally and know the roads, the neighborhoods, and the way humidity hangs in the air here from April through October.
Furnace Installation in Tomball
Furnace installation in Tomball often pairs with an AC replacement, because many of the older ranches around town still run a furnace and evaporator coil as a matched set. When the heat exchanger cracks or the blower motor eats itself, the smart move is usually a full system swap rather than a patch job. The labor-intensive portion of a furnace install in Tomball runs $150 – $700, depending on access, flue condition, and whether the existing plenum can be reused or needs resizing to match the new coil.
Replacing a Furnace Alongside AC
On pier-and-beam homes, the furnace often sits in an attic or a closet, and cramped access adds time. If the original 1978 furnace is paired with a coil that cannot handle the new refrigerant, we replace both. The written price covers the full mechanical swap, including the gas line connection, condensate drain, and a startup sequence on both heat and cool.
Heat Pump Conversion for Rural Properties
For Tomball properties outside the natural gas service area, particularly acreage lots with propane tanks, a heat pump conversion often makes more sense than another propane furnace. We remove the old furnace entirely, install an air handler with supplemental electric heat, and set the system up so it cools through summer and heats through the shoulder months without burning a drop of propane. The installed cost still falls in the $3,500 – $7,500 range depending on size and ductwork.
HVAC Installation in Tomball
HVAC installation in Tomball means more than sliding a new condenser onto an old slab. A complete job includes a room-by-room load calculation, duct static pressure testing, refrigerant line replacement where needed, electrical verification, and a startup that proves the system dehumidifies as well as it cools. Our full-system installs in Tomball run $3,500 – $7,500 with the final number set by equipment size, existing ductwork condition, and whether the home has natural gas or needs a heat pump.
Ductwork Assessment Before Install
We test static pressure before we install anything. On Tomball’s older ranches, undersized return plenums are common, and slapping a high-efficiency blower onto that ductwork produces noisy airflow and frozen coils during spring’s humid stretches. When the ducts cannot handle the new system, we resize the return and adjust supply registers so air actually reaches the far bedrooms.
Sizing for Humidity, Not Just Heat
Tomball’s air is wet. A system sized only for peak temperature will short-cycle in May and October, leaving the house at 72 but sticky. We size for latent load too, which sometimes means a slightly smaller compressor with better dehumidification performance rather than the biggest unit that fits the budget. This detail matters more than the brand name on the cabinet.
Trusted Brands We Service in Tomball
We install and maintain equipment from Carrier, Trane, and Lennox, and the choice of brand depends on what fits your home, not what’s sitting in a warehouse. For Tomball customers, we can usually have a full system staged within two to three business days from our Houston distribution point, and our trucks carry common coils, capacitors, and control boards so a startup issue doesn’t stall the job. If you already have a Goodman or a Daikin and want to stay with it, that’s fine too. The installation quality is our responsibility, not the brand’s.
See the difference
Before
After
Before
After
Before
AfterCommon AC Installation Problems We See in Tomball Homes
- High-efficiency units on 1970s ductwork. We see this constantly in the older core of Tomball. A 20 SEER2 system installed on original undersized ducts will struggle with airflow noise and frozen evaporator coils during the humid shoulder seasons. We check static pressure before we commit to a design.
- Square-footage-only sizing on exposed rural lots. Homes out toward the edges of Tomball with no wind shelter and long sun exposure need a different calculation than a shaded suburban lot. Guessing from square footage alone leads to short-cycling, high indoor humidity, and a sweating condenser coil in spring.
- Drop-in R-22 replacements without metering device checks. Older Tomball systems still running R-22 occasionally get a “drop-in” refrigerant that’s supposed to work without a full conversion. If the existing metering device isn’t changed to match, the compressor can starve and fail. That voided warranty turns into a $3,500 – $7,500 install anyway.
- Ignoring the return plenum. Pier-and-beam ranches across Tomball were built with return air systems designed for much smaller loads. We correct the return before the install, so the new blower isn’t fighting the house.
Pricing for AC Installation in Tomball, TX
A full AC installation in Tomball runs $3,500 – $7,500, parts and labor included, with the final figure set by system size, efficiency rating, and how much ductwork work the home needs. Furnace installation costs $150 – $700 for the labor-intensive portion of a combined job. Here’s the line-item breakdown:
| Service | Price Range |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Furnace Installation | $150 – $700 |
| AC Repair | $150 – $650 |
| Tune-Up | $80 – $200 |
What pushes a Tomball job toward the top of the range: older ductwork that needs resizing, a heat pump conversion on a rural property without gas service, or a two-stage system with zones. What keeps it lower: a straightforward condenser and coil swap on a slab-on-grade home built in the last decade with good ducts. Call (832) 371-9862 and we’ll give you a written estimate for your exact home, free.
We Also Serve Cities Near Tomball
Our crews work all across the north Houston area, and we regularly run installation jobs in Houston, Richmond, Missouri City, and Channelview. If you’re just outside Tomball’s city limits or splitting time between a property here and another home nearby, we can schedule both jobs in the same week. Dispatch runs from our Houston office, and the same written-price policy applies everywhere we work.
Serving Tomball, TX - Our Local Coverage Area
We’re based in the Tomball 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 AC Installation in Tomball
Humidity-driven sizing, not just temperature, determines the equipment selection. Tomball’s humid subtropical climate means a system must remove moisture for 9-10 months of runtime, so we run a Manual J load calculation that accounts for latent heat, not just dry-bulb temperature. A properly sized system on a pier-and-beam ranch will run longer, steadier cycles that actually pull moisture out of the air, rather than blasting cold air for ten minutes and shutting off while the house stays sticky. If your current system short-cycles and the air feels clammy at 72 degrees, call (832) 371-9862 and we’ll measure what’s actually happening.
Yes, and often that’s the right time for a full replacement rather than another repair. R-22 production stopped in 2020, and recharge costs now run around $200/lb, which makes a 6-lb top-off cost more than many repair patches. Our technicians carry multiple refrigerant options on every Tomball call, and when we encounter an R-22 system we walk through three choices: recharge at current R-22 market prices, convert to a compatible replacement, or replace the system entirely. A new system starts at $3,500, and we put the written price in front of you before any work begins.
A heat pump delivers heat for roughly a third of the operating cost of propane or straight electric resistance on most Tomball properties. Rural lots around the city often lack natural gas service entirely, which leaves propane as the traditional heating fuel. A heat pump replaces the furnace altogether, provides both heating and cooling from one system, and the installed cost of $3,500 – $7,500 is comparable to a conventional AC with far lower winter bills. We install and service heat pumps from Daikin, Carrier, and Lennox on Tomball acreage regularly.
The job is simpler in some ways and more precise in others. Willow Creek and Amira homes are slab-on-grade with newer ductwork and often already have high-efficiency systems, so the installation is usually a straightforward swap with fewer variable costs. The precision matters because these homes are tighter, and an oversized system in a tight building envelope will short-cycle and leave humidity problems. We size every job the same way, with a load calculation, regardless of whether the house is a 1978 ranch or a 2022 two-story.
Expect your AC to run 9-10 months out of the year, with the heaviest use from May through September. That runtime puts enormous stress on installation quality: a poorly brazed refrigerant line, an undersized return, or incorrect charge all reveal themselves within a season or two. This is why we do a full startup sequence with static pressure tests and subcooling checks on every install, and why the 365-Day Done Right Promise is written down, not implied. If something fails in the first year, we return and correct it at no charge. For a free estimate on AC installation in Tomball, call (832) 371-9862 today.
Contact Cold Harbour Heating and Air Houston for AC Installation in Tomball
We are Victor Mancini’s team, and we answer the phone live 24 hours a day, 7 days a week. If you need AC installation in Tomball, a heat pump conversion, or a look at why your current system isn’t keeping up with the humidity, call (832) 371-9862 for a free estimate. You’ll get a written price before any work starts, a firm arrival window, and a guarantee on paper when the job is done. That’s how we’ve operated since 2003, and it’s how we’ll treat your home in Tomball.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Houston, serving Tomball and the surrounding north Houston communities since 2003.