HVAC Repair & Diagnostics
Troubleshooting and repair for no-cool, no-heat, airflow, electrical, refrigerant and control problems.
Learn More →Repair • Installation • Maintenance • IAQ • Ducts • Weatherization
Complete HVAC Services for North Alabama Homes & Businesses
From diagnostics and system replacement to duct cleaning, indoor air quality, maintenance, load calculations and whole-home efficiency improvements, Advanced Service Company LLC provides one place to manage your comfort system.
Explore All HVAC & Home Comfort Services
Each service below links to a dedicated page with more detail, options and next steps.
HVAC Installation & Replacement
Heat pumps, air conditioners, furnaces, dual-fuel systems, packaged units, mini-splits and qualifying light-commercial equipment.
Learn More →HVAC Maintenance Plans
Preventive maintenance plans and Total Home & Comfort Club options.
Learn More →Indoor Air Quality
Filtration, air-cleaning, humidity-control and ventilation solutions.
Learn More →Duct Cleaning
Professional cleaning for qualifying supply and return duct systems.
Learn More →Duct Sealing
Seal accessible duct leakage to reduce conditioned-air loss and improve airflow.
Learn More →Air Sealing
Building-envelope air sealing for qualifying attics, crawlspaces and penetrations.
Learn More →Weatherization
Whole-home efficiency improvements combining air sealing, insulation and duct sealing.
Learn More →Insulation Upgrades
Attic, crawlspace, ductwork and pipe insulation improvements.
Learn More →Load Calculations
Residential and commercial load calculations for proper equipment sizing.
Learn More →Mini-Split Systems
Single-zone and multi-zone ductless mini-split installation and replacement.
Learn More →Heat Pumps
Heat-pump repair, maintenance and installation for split and packaged systems.
Learn More →Gas Furnaces
Gas-furnace repair, replacement and maintenance.
Learn More →Dual-Fuel Systems
Heat-pump and gas-furnace systems for flexible heating.
Learn More →Packaged HVAC Systems
Packaged heat pumps and gas packs for qualifying properties.
Learn More →Light-Commercial HVAC
Service, repair, replacement and maintenance for qualifying light-commercial systems.
Learn More →Commercial Refrigeration
Walk-in cooler, freezer and commercial refrigeration service.
Learn More →HVAC Financing
Financing resources for approved customers and qualifying HVAC projects.
Learn More →TVA EnergyRight Programs
Guidance on qualifying TVA EnergyRight rebates and financing through participating local power companies.
Learn More →FREE HVAC Estimates
FREE estimates for qualifying new HVAC systems, change-outs and second opinions on major component failures.
Learn More →Online Price Estimation System
Create a preliminary HVAC installation budget range before your on-site evaluation.
Learn More →HVAC Warranty Information
Review manufacturer parts warranties, registration requirements and labor-warranty options.
Learn More →Repair, Replace or Improve the Whole System
Comfort problems may involve more than the outdoor unit. Equipment condition, duct leakage, filtration, insulation, air leakage and proper sizing can all affect performance.
Financing, TVA Programs & Warranty Resources
Compare available financing, qualifying TVA EnergyRight programs and warranty options before selecting a new system.
HVAC Services FAQs
Click a question to view the answer.
HVAC repair, installation, maintenance, heat pumps, furnaces, mini-splits, packaged units, IAQ, duct cleaning, duct sealing, load calculations, weatherization and related comfort services.
Yes. We diagnose and repair qualifying central air-conditioning and heat-pump systems.
Yes. New-system installation and replacement are available for qualifying residential and light-commercial properties.
Yes. Daikin systems are available subject to current product availability and project requirements.
Yes. Single-zone and multi-zone ductless mini-split systems are available for qualifying applications.
Yes. Packaged heat pumps and gas-pack systems are available for qualifying properties.
Yes. Light-commercial HVAC service, maintenance and replacement are available for qualifying systems.
Yes. Qualifying walk-in coolers, freezers and commercial refrigeration systems can be serviced.
Yes. Preventive maintenance plans and the Total Home & Comfort Club are available.
Yes. Duct cleaning and accessible duct-sealing services are available for qualifying systems.
Yes. Options may include filtration, air cleaners, UV products, humidity control and ventilation.
Yes. Residential and commercial load calculations are available for qualifying projects.
Yes. These services can help reduce building load, drafts and energy waste.
Yes. FREE estimates are available for qualifying new systems and change-outs, plus second opinions for major component failures.
Yes. OPES provides a preliminary budget range. Final pricing requires an on-site evaluation.
Yes. Financing options may be available to approved customers for qualifying projects.
Certain qualifying projects may be eligible through participating local power companies.
Coverage varies by manufacturer and equipment. Daikin systems may offer up to 12-year parts coverage with registration, and optional labor coverage may be available on qualifying installations.
We serve Somerville, Decatur, Huntsville, Madison, Athens, Hartselle, Priceville and surrounding North Alabama communities.
Yes. Alabama HVAC License #09005 and Refrigeration License #52554. Licensed, bonded and insured.
Call 256-432-7622 or use the online booking link.
Need HVAC Service, Repair or a New System?
Schedule service or request a FREE qualifying installation estimate with Advanced Service Company LLC.