You will never go wrong with them! Same day service, and price was very affordable. Super thankful for their quick and clean service. Thank you!
Honest HVAC Service You Can Actually Trust
You approve every dollar before we touch your system. No surprises, no pressure — just straight answers from a local, licensed and insured team.
Current offers
Three ways to save on Houston HVAC service.
Free System Check With Any Completed Repair
No hidden diagnostic games. If you move forward with the repair, the inspection is on us.
Request service$50 Off Your First Repair
Backed by our 100% Diagnose Before Fix Guarantee — you'll know the exact price before any work begins.
Offer valid through the last day of this month.
Claim this offerJoin the Sierra Comfort Air Plan
- 2 visits a year (summer + winter tune-ups included)
- 20% off repairs
- Priority scheduling
- Automatic reminders before every seasonal visit
- Referral Rewards — you get $50 credit, they get $25 off
Our commitment
Our 100% Diagnose Before Fix Guarantee
We inspect first, explain what we found in plain language, and give you a flat-rate price before any repair starts. You decide, always — no pressure, no surprise charges.
HVAC cost estimator
Get a realistic Houston HVAC cost range.
Answer a few system questions and see your price range immediately — no name, phone, or email required.
The company is very reliable and affordable. He is very educated about AC's and water heaters. And if you need him at any time of day he is willing to go do services, to get the job done. Has very good pricing as well.
I called Rivera, and he came to my house the same day. He was very professional and fixed my air conditioning the same day.
Used this company multiple times over the years, always timely, courteous and professional. Highly recommend!
Sierra Heating and Cooling for the win! It got extremely hot and humid, it was looking kinda grim. They came in a timely manner with exceptional customer service, a real quick in and out. Please check them out!
1st occasion my ac stopped working one summer and sierra came out and fixed it the very next day.
Great customer service in this time and age it matters alot
Great Prices and amazing services!!!! These guys came out to my home and fixed my ac within a day!!
Nestor has serviced my home for years and has always provided great customer service at reasonable price.
Nestor was able to fix my A/C issue easily and at a fair price. Very happy!
Membership
Sierra Comfort Air Plan
Preventive maintenance membership — keep your HVAC system running efficiently year-round.
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2 Visits a Year
Summer cooling + winter heating tune-ups included.
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20% Off Repairs
Exclusive member discount on every repair.
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Priority Scheduling
Skip the wait — members are scheduled first.
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Automatic Reminders
We remind you before every seasonal visit.
You get $50 credit, they get $25 off.
Coil cleaning, refrigerant check, thermostat & drain line check, fan inspection.
Furnace check, ignition system, CO detector safety check, filter inspection.
Licensed & insured, serving Spring, The Woodlands, Conroe, Humble & Cypress.
Service area
Houston-area HVAC, all directions.
We serve the greater Houston metro from The Heights to The Woodlands, Katy to Humble. If you are within a 45-minute drive of Houston, we cover you.
Cities & nearby towns we serve
Outside these areas? Call (346) 477-1528 — we cover the greater Houston metro.
Who we serve
Built for the way Houston actually lives.
Different buildings have different problems. We do not pretend a residential script works for an apartment portfolio, or that a quick-fix mindset works for an HOA. Two distinct service paths, both done well.
Homeowners and small businesses
Same-day repair. Honest diagnosis.
AC failure on a 100-degree day is not the moment to upsell. We diagnose, explain what we found, quote a fixed price, and only then start the work. Most calls are resolved the same day.
See residential services
Property managers and HOAs
Make-ready, recurring, accountable.
Apartment turnovers, common-area systems, multi-unit repairs, and recurring preventive maintenance. One point of contact, batched scheduling, predictable line items on your monthly invoice.
See property servicesWhat we do
Houston HVAC service, end to end.
Every service starts the same way: arrive on time, diagnose the actual problem, and explain it in plain English before any work begins.
AC repair
Compressor, capacitor, contactor, refrigerant leaks, electrical faults, drain lines. Most repairs same-day.
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AC installation
Full system replacement with Manual J load calculation, equipment options, and warranty support.
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HVAC maintenance
Bi-annual tune-ups, filter changes, drain line treatment, refrigerant checks, electrical safety review.
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Emergency HVAC
After-hours and weekend coverage when systems fail in Houston heat. Priority dispatch.
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Commercial HVAC
Office, retail, and small commercial. Rooftop units, mini-splits, package systems.
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HOA and property management
Apartment turnover, common-area HVAC, multi-unit maintenance contracts.
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Heating service
Furnace and heat pump repair, ignition systems, gas safety checks, winter prep.
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Thermostat service
Smart thermostat installation and calibration. Honeywell, ecobee, Nest, Sensi.
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Duct cleaning
Inspection, sealing, and cleaning. Improve airflow and indoor air quality.
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Indoor air quality
UV light, media filtration, humidity control. Designed for Houston humidity.
Learn moreHow we work
Four steps. No surprises.
The same process for every call, residential or commercial. Predictability is what makes us a property manager favorite.
Call or request service
Tell us what is happening. We confirm a same-day or scheduled window. For HOAs and properties, batched scheduling reduces visit count.
Diagnose first
Our technician arrives, inspects, and documents the actual issue. Photos and findings shared with you before any work begins.
Quote and approve
Flat-rate quote with parts, labor, and timeline. You approve. No upsell pressure, no per-hour creep.
Fix and follow up
Work completed, system tested, area cleaned. Invoice sent the same day. Follow-up scheduled for maintenance plan customers.
By the numbers
A Houston-specific operating model.
Helpful HVAC links
Find the right Sierra page faster.
Service pages, local pages, brand pages, and business-owner resources are connected so you can move from research to action quickly.
AC repair by city
Houston neighborhoods
Brand repair pages
Business and planning
Why Sierra
Why Houston homeowners, businesses, and property managers choose Sierra.
We answer the phone. We confirm windows. Most calls receive a same-day diagnostic when placed before 2 PM.
Findings shared in plain language before any work begins. Photos, options, and a fixed quote.
Preventive plans that catch failures before they trigger a 100-degree emergency. Cheaper, calmer, more predictable.
Apartment make-readies, HOA common areas, recurring portfolio service. One contact, batched dispatch, clean invoicing.
Common questions
Frequently asked questions.
If you do not see your question, call us or send a request.
Do you offer same-day AC repair in Houston?
What is your service area?
How do you price a repair?
Do you serve apartment communities and HOAs?
Are you licensed and insured?
What brands do you service and install?
Ready to request service?
Tell us what is happening. We will be in touch with next steps.
Send a quick request and we will confirm a same-day or scheduled window. For emergencies, call directly so we can dispatch faster.