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40 Years
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Emergency
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Trusted HVAC Services in Mequon, WI
APH Service has been delivering trusted heating and air conditioning solutions since 1986. Our locally owned and operated business specializes in HVAC sales, repairs, and installation for residential and commercial clients across Washington County, Ozaukee County, Milwaukee County, and surrounding areas. With over 45 years of combined experience, our licensed, bonded, and insured technicians prioritize customer satisfaction through efficient, cost-effective service. We partner with industry-leading brands like Ruud, Lennox, and Goodman to provide energy-efficient systems tailored to Wisconsin's extreme weather conditions. Our commitment to honesty, integrity, and 24/7 emergency service ensures clients maintain optimal comfort year-round.

We guarantee workmanship that meets or exceeds industry standards while offering transparent consultations to determine repair or replacement needs. Our team's expertise spans all HVAC systems, including boilers, furnaces, mini-splits, and indoor air quality solutions. As a family-owned business, we emphasize personalized attention and community-focused service. Our 24-hour availability and focus on local market needs make us a reliable choice for HVAC services. We maintain up-to-date knowledge of local codes and safety guidelines to ensure compliance and safety in every project.
Services
HVAC Installation Air Conditioning Repair Heating System Sales Thermostat Installation Indoor Air Quality Solutions Boiler Repairs Furnace Maintenance Emergency HVAC Service Energy-Efficient Systems Commercial HVAC Services
Details
  • Year established: 1986
Highlights and features
  • 45+ years of HVAC experience serving Wisconsin communities
  • 24/7 emergency service for urgent heating/cooling needs
  • Licensed, bonded, and insured technicians with industry certifications
  • Satisfaction guarantee on all installations and repairs
  • Authorized dealer for top HVAC brands like Lennox and Goodman
Services
HVAC Installation
We provide professional HVAC installation for residential and commercial properties. Our technicians install energy-efficient heating and cooling systems from trusted brands like Lennox and Goodman. Our process includes system selection, proper sizing, and code-compliant installation to ensure optimal performance and energy savings for Wisconsin homeowners and businesses.
Air Conditioning Repair
Our certified technicians offer prompt air conditioning repairs for residential and commercial systems. We diagnose and fix issues with cooling performance, refrigerant leaks, and electrical components. With 24/7 emergency service availability, we restore comfort quickly during Wisconsin's hot summers while maintaining system efficiency and longevity.
Heating System Maintenance
We provide comprehensive heating system maintenance for furnaces and boilers. Our preventive maintenance includes system inspections, component lubrication, and efficiency testing. Regular servicing helps prevent breakdowns during Wisconsin's cold winters while extending equipment lifespan and maintaining manufacturer warranties.
Indoor Air Quality Solutions
Our indoor air quality services include HEPA filtration systems and UV air purification installations. We help clients improve home and business air quality through advanced purification technologies. These solutions reduce allergens, bacteria, and airborne contaminants while integrating with existing HVAC systems for optimal performance.
Emergency HVAC Service
We offer 24/7 emergency HVAC service for urgent heating and cooling failures. Our on-call technicians respond promptly to system breakdowns across Washington, Ozaukee, and Milwaukee counties. This service ensures continuous comfort for homes and businesses during extreme Wisconsin weather conditions through rapid diagnosis and repair capabilities.
Questions
What HVAC services do you offer?
We provide complete HVAC services including installation, repair, and maintenance for heating and air conditioning systems in residential and commercial properties.
Do you offer emergency HVAC service?
Yes, we provide 24/7 emergency HVAC service for urgent heating and cooling system failures across our service areas.
Which areas do you serve?
We serve Washington County, Ozaukee County, Milwaukee County, and surrounding Wisconsin counties for all HVAC needs.
Are your technicians certified?
Yes, our technicians are licensed, bonded, and insured with extensive training on all major HVAC brands and systems.
What brands do you work with?
We are authorized dealers for Ruud, Lennox, York, Goodman, and Payne HVAC systems, and work with Triangle Tube, Utica, and Crown boilers.
Do you offer maintenance plans?
Yes, we recommend regular maintenance plans to keep HVAC systems operating efficiently and extend equipment lifespan.