HVAC Installation & Service in Huntsville, AL
HVAC Installation & Service companies serving Huntsville — compare ratings, hours, and contact details.
98
Pros actively working
4.6
What people rate them
359
Real reviews
Huntsville, Alabama HVAC company map
See where the best hvac installation & service crews are located around Huntsville, Alabama.
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HVAC Installation & Service in Huntsville: what the listings show
Of the 98 HVAC Installation & Service contractors listed in Huntsville, 36 advertise 24-hour availability and 44 are open on Sundays.
98
contractors listed
36
open 24 hours (40%)
44
open Sunday (49%)
60
open Saturday (67%)
68
have a website
Why Huntsville's humid weather breaks HVAC systems
In Huntsville, summer highs average 90°F. That strains compressors, refrigerant lines, and condensate drains. Common local issue: evaporator coil wear due to condensate buildup. Recommended: systems rated SEER2 17+ for this climate.
Huntsville's humidity regularly exceeds 70%. An oversized AC unit short-cycles before removing moisture effectively — correct Manual J load sizing prevents this.
Complete HVAC Installation & Service in Huntsville
System installation
Manual J sizing, duct design, and equipment commissioning.
Heat pumps
SEER2 and HSPF2 optimized heat pump installs.
Ductwork upgrades
Airflow balancing and duct sealing.
Smart controls
Thermostat calibration and zoning.
HVAC Installation & Service costs in Huntsville (2026 estimates)
| Service | Low | High |
|---|---|---|
| System replacement | $9,240 | $13,860 |
| Heat pump install | $10,920 | $16,380 |
| Ductwork upgrade | $3,780 | $5,670 |
Prices reflect local labor rates in Alabama.
Serving Huntsville and surrounding neighborhoods
Verified hvac installation & service companies cover ZIP codes across the Huntsville metro and surrounding areas.
Huntsville HVAC permits & rebates
Permits Required
Most system replacements in Huntsville require a permit from the Huntsville Building Department.
Available Rebates
Check for rebates with your local utility provider for SEER2 heat pumps, smart thermostats, and insulation upgrades.
Huntsville HVAC FAQ
Full system replacements in Huntsville average $8,000–$14,000 installed. Heat pump systems run $10,000–$16,000. Get at least 3 itemized bids including equipment, labor, permits, and disposal of the old unit.
Yes. Huntsville requires a mechanical permit for full system replacements and new gas line connections. Your licensed contractor must pull the permit before work starts and schedule a city inspection after installation.
Most straight-swap replacements take 4–8 hours. New construction installs or full duct replacements run 1–3 days. Confirm the scope includes equipment delivery, permit scheduling, and post-install commissioning.
Check license status through the Alabama state licensing board's online lookup tool. All installers working with refrigerant must also carry EPA Section 608 certification.
Top HVAC pros in Huntsville
Compare verified providers with strong local reputations and recent customer feedback.
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HVAC Installation & Service reviews in Huntsville
Hear from Huntsville homeowners about their experience with local hvac installation & service companies.
Josh B completed our Fall service today. He was clear in explanations, courteous, and professional. His knowledge of our system and potential fixes were explained fully and gives us great understanding of the current duct work and options for future improvements. Thank you!
We had the gas pressure test done on our foodtruck. Our technician came out very polite and courteous. He preformed his job in a timely professional manner. Highly recommend them.
Thank you, Dean Plumbing, for your quick response to my call when my gas water heater started to leak and flooded my garage with water. When Braxton arrived and replaced the old heater with a new system within a few hours the next day, he did it in a very quick and professional manner, he and his helper were very also considerate in the cleaning up after installation.
Corey did a great and professional job today! Many thanks to him and Blake Brothers for getting it right for our tankless hot water system.
Wesley came and performed maintenance on our HVAC unit today. He came and checked the unit. Always prompt and helpful.
Lyndon was fantastic! He arrived within 2 hours of my call and quickly helped me troubleshoot the HVAC issue. He was professional, friendly, and clearly knows his stuff. I really appreciated how patient and kind he was throughout the process. I’d highly recommend Lyndon and his company to anyone needing fast, reliable, and honest HVAC service!
HVAC Installation & Service performance guide for Huntsville, Alabama
Climate averages are state-level reference values, not city-specific measurements.
Climate impact in Huntsville, Alabama
Huntsville, Alabama sits in a Hot-Humid climate zone with average summer highs near 90°F and winter lows near40°F. Those swings load the evaporator coil, blower motor, refrigerant lines, and condensate drain. Keep a clean MERV filter to protect the compressor.
High moisture accelerates coil biofilm and condensate drain clogs. Target stable airflow, clean evaporator coils, and verified dehumidification control.
Most common local breakdowns
Condensate drain clogs and evaporator coil biofilm from high indoor humidity.
Blower motor strain from long run times and high static pressure.
Low airflow from dirty MERV filters or a weak blower motor causes ice. Ask for airflow and refrigerant superheat checks.
Equipment recommendation
Prioritize variable-speed heat pumps with enhanced dehumidification and SEER2 16+ ratings to protect refrigerant lines and the evaporator coil. Seal ductwork and schedule coil cleaning to protect the heat exchanger, capacitor, and compressor.
Heat pumps favor variable-speed compressors and tight refrigerant line sets to stabilize humidity control.
Local code and housing notes
Ask contractors about Alabama energy code compliance and permits. Older homes often benefit from ductless mini-splits to reduce line-set length and improve zone control.
Mechanical permit for system replacement and condenser swaps.
Post-install inspection covering refrigerant line pressure and condensate drain routing.
Load calculation proof to avoid short-cycling compressors.
Airflow verification (blower motor speed + static pressure).
Always confirm a contractor's license and insurance before hiring.
Learn more: Alabama HVAC coverage · SEER2 rating guide · MERV filter selection · Editorial Policy · How We Rank