FAQs

I & J Heating & Cooling offers complete residential HVAC solutions across Oakland County, Michigan. Services include furnace installation and repair, air conditioning maintenance, ductwork cleaning, and indoor air quality improvement. They also provide preventive maintenance and emergency HVAC repair for homeowners in White Lake, Waterford, Clarkston, Commerce Township, and nearby areas. Learn more on the Services page.

The company serves most of Oakland County, including White Lake, Waterford, Clarkston, Commerce Township, Highland, Milford, Wixom, Walled Lake, and West Bloomfield. Their technicians are local, allowing fast response times and personalized service for every home.

Schedule HVAC maintenance twice each year—once before winter and once before summer. Regular tune-ups keep systems efficient, reduce energy costs, and prevent major breakdowns. Skipping maintenance can void manufacturer warranties and shorten equipment life.

Professional maintenance improves efficiency, ensures safe operation, and extends the lifespan of your HVAC system. Technicians clean components, inspect for damage, and test system performance. Regular maintenance also keeps air quality high by reducing dust and debris in your system.

Furnaces usually last 15–20 years, while air conditioners last 12–15 years. Michigan’s changing climate can reduce lifespan if maintenance is neglected. Regular service, clean filters, and seasonal tune-ups help your system last longer. Learn more about maintenance on our HVAC Services page.

Signs include rising energy bills, uneven temperatures, and frequent repairs. If your system is older than 15 years and no longer efficient, replacing it with a new model can improve comfort and reduce utility costs. I & J Heating & Cooling offers free quotes for replacements and installations.

System size depends on your home’s square footage, insulation, and layout. A licensed technician performs a load calculation to determine the right size. Oversized systems waste energy, while undersized systems overwork. I & J Heating & Cooling ensures precise sizing for maximum performance.

They install and service major HVAC brands including Carrier, Lennox, Trane, Goodman, and Rheem. The team can also repair most other brands. Technicians help homeowners choose systems that fit their space, energy goals, and budget.

Yes. I & J Heating & Cooling provides emergency HVAC repair across Oakland County. Call (248) 963-1436 for immediate assistance. Emergency service helps keep your home safe and comfortable during Michigan’s extreme weather. Visit our Contact page for help.

A tune-up includes cleaning or replacing filters, inspecting electrical connections, checking refrigerant, cleaning coils, testing airflow, and verifying system efficiency. The technician also tests for gas or carbon monoxide leaks to ensure safety.

Replace filters every 1–3 months, seal duct leaks, install a smart thermostat, and schedule regular tune-ups. Upgrading to an energy-efficient system can reduce your bills by up to 20%. The experts at I & J Heating & Cooling can help identify ways to improve your home’s efficiency.

Yes. Financing options are available for HVAC installations. Plans vary based on credit and system type. Ask about current promotions and energy rebates from Michigan utilities. Visit the Contact page for details.

Smart thermostats like Nest and Ecobee automatically adjust temperatures for better comfort and energy savings. They can be controlled through mobile apps and are compatible with most systems. I & J Heating & Cooling installs and configures smart thermostats for Oakland County homes.

Yes. Clogged filters restrict airflow and spread dust or allergens throughout your home. Change filters regularly to maintain air quality. I & J Heating & Cooling can recommend filters designed for your system and family’s health needs.

Check the thermostat setting, air filter, and circuit breaker. If those are normal, shut off the furnace and contact I & J Heating & Cooling. The issue could involve the ignition system, gas line, or blower motor. Call (248) 963-1436 for professional diagnosis.

They install ENERGY STAR-rated systems and perform precise calibrations for peak efficiency. Proper duct sealing, thermostat setup, and insulation checks reduce wasted energy. Learn more about their process on the About page.

Most service calls are scheduled within 24–48 hours. Emergency requests receive same-day attention. Contact I & J Heating & Cooling at (248) 963-1436 or use the online form to request an appointment.

Yes. All installations include manufacturer warranties and labor guarantees. Coverage varies by brand and model. Customers receive written warranty information before installation to ensure protection for their investment.

Call (248) 963-1436, email iandjhvac@gmail.com, or visit the Contact page. Business hours are Monday through Friday, 8 AM–6 PM, with emergency services available after hours.