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Your Trusted HVAC Partner in Ozaukee, WI
James Heating & Air Conditioning has been serving residential and light commercial clients in Ozaukee and Eastern Washington counties for over three decades. As a NATE-certified technician with 34 years of industry experience, I specialize in HVAC repair, maintenance, and cleaning services while maintaining full licensing, bonding, and insurance for client protection. Our Christian-based business prioritizes honest service, offering a 1-year parts warranty and 30-day labor warranty on all work. We serve Northern Suburbs of Milwaukee with extended hours from 6:00 AM to 10:00 PM Sunday through Thursday, and 6:00 AM to 11:00 PM Friday and Saturday.

Our expertise covers all major HVAC systems including forced-air furnaces, central AC units, boilers, and gas/propane systems. We provide comprehensive diagnostics, filter replacements, and pre-season maintenance while explicitly avoiding unnecessary equipment sales. Our service area includes Ozaukee, Washington, and Southern Sheboygan Counties, with transparent pricing at $35 for service calls and $80 per hour for labor. We emphasize energy efficiency through proper MERV-rated filter recommendations and seasonal maintenance scheduling. Our commitment to quality service has established us as a trusted local HVAC provider in Wisconsin.
Services
HVAC Repair System Maintenance Unit Cleaning Filter Replacement Gas Unit Service Central AC Repair Furnace Diagnostics Boiler Maintenance Home Furnace Check Forced-Air Service
Highlights and features
  • 34 years of HVAC industry experience
  • NATE-certified technician with specialized training
  • 1-year warranty on replacement parts
  • 30-day labor warranty on all services
  • Christian-based business with ethical practices
Associations and certifications
  • NATE-certified
Services
HVAC Repair
Our NATE-certified technicians provide expert HVAC repair services for residential and commercial properties. We service all brands of heating and cooling units with transparent pricing at $35 for service calls and $80 per hour for labor. Our 34 years of experience ensure efficient diagnosis and repair of furnaces, AC units, and boilers while avoiding unnecessary equipment replacements.
System Maintenance
Professional HVAC maintenance services help extend equipment lifespan and improve energy efficiency. We recommend fall/winter furnace servicing and spring/summer AC maintenance. Our technicians check system components, clean coils, and verify proper operation while providing expert filter recommendations (MERV 8 or less for 1-inch filters, MERV 12 or less for 4-inch filters) to prevent equipment damage.
Unit Cleaning
Comprehensive HVAC unit cleaning improves system efficiency and indoor air quality. Our cleaning services include coil cleaning, duct inspection, and component maintenance for both residential and light commercial systems. Regular cleaning prevents common issues caused by dirt buildup while maintaining optimal performance of heating and cooling equipment.
Furnace Diagnostics
Advanced furnace diagnostics identify underlying issues through fault code analysis and system testing. Our technicians use specialized tools to diagnose problems with forced-air furnaces, boilers, and gas/propane units. This service helps determine necessary repairs while providing homeowners with accurate cost estimates before any work begins.
Home Furnace Check
Professional furnace inspection service for home sellers and buyers. Our technicians evaluate heating system condition, identify potential issues, and provide detailed reports for real estate transactions. This service helps ensure proper furnace operation and addresses any necessary repairs before property transfer.
People
James Jackson
Owner/Technician
James Jackson is a NATE-certified HVAC technician with 34 years of industry experience. He owns and operates James Heating & Air Conditioning, providing honest, reliable service to Wisconsin residents. James maintains full licensing, bonding, and insurance while offering comprehensive HVAC repair and maintenance services with 1-year parts warranty.
Questions
What HVAC services do you offer?
We provide HVAC repair, maintenance, and cleaning services for residential and light commercial properties. Our services include furnace diagnostics, AC maintenance, filter replacements, gas/propane unit service, and pre-sale furnace inspections.
Are your technicians certified?
Yes, our owner James Jackson is a NATE-certified HVAC technician with 34 years of industry experience. We maintain full licensing, bonding, and insurance for client protection.
What areas do you service?
We serve Ozaukee County, Eastern Washington County, Southern Sheboygan County, and Northern Suburbs of Milwaukee, Wisconsin.
What are your service hours?
Our regular service hours are Sunday through Thursday from 6:00 AM to 10:00 PM, and Friday through Saturday from 6:00 AM to 11:00 PM.
Do you offer warranties?
Yes, we provide a 1-year warranty on replacement parts and a 30-day warranty on labor for all HVAC services performed.
What HVAC maintenance tips do you recommend?
We recommend furnace maintenance in fall/winter and AC service in spring/summer. Use MERV 8 or less for 1-inch filters and MERV 12 or less for 4-inch filters to prevent equipment damage.