Expert HVAC Installation in Troy, MI — OnPoint HVAC


Troy, MI's Trusted HVAC Installation Contractor

Troy homeowners deserve a heating and cooling system that performs reliably through Michigan's demanding climate — from subzero January nights to humid August afternoons. OnPoint HVAC delivers precisely that. As a licensed, family-owned HVAC contractor based in Livonia, MI, OnPoint HVAC was founded by George Petrentzev, a licensed mechanical engineer who set out to replace quick equipment swaps with properly engineered systems designed to perform for decades. When you need dependable HVAC installation in Troy, MI, OnPoint HVAC brings the technical depth and local experience your home requires.


Serving Oakland County and the greater Metro Detroit region, OnPoint HVAC has built a reputation for transparent pricing, meticulous workmanship, and systems sized and installed to manufacturer specifications — not guesswork. Troy residents can count on a team that treats every installation as an engineering project: load calculations performed, ductwork evaluated, and equipment selected to match your home's exact needs. Explore our full range of HVAC installation services or learn more about our coverage area for HVAC installation across Metro Detroit.


A technician in dark work clothes attaches a cover to an open HVAC unit, with plumbing components visible in the background.

HVAC Installation Services in Troy, Michigan

OnPoint HVAC offers a complete range of residential HVAC installation services for Troy homeowners. Whether you are replacing aging equipment or installing a system in a new build, our team handles every project with engineering precision.


Furnace Installation A properly sized and installed furnace is the backbone of a Michigan home in winter. OnPoint HVAC installs high-efficiency gas furnaces from leading manufacturers, performing full load calculations to ensure your new furnace installation in Troy delivers consistent warmth without wasted energy.


Air Conditioner Installation Michigan summers bring heat and humidity that can overwhelm an undersized or improperly installed cooling system. Our AC installation in Troy, MI includes proper refrigerant charging, airflow balancing, and electrical verification so your new system performs at its rated efficiency from day one.


Heat Pump Installation Heat pumps offer year-round efficiency for heating and cooling. OnPoint HVAC assesses whether a heat pump is the right fit for your Troy home and installs ducted and ductless systems designed to maximize comfort and energy savings in Michigan's mixed climate.


HVAC System Replacement Aging equipment costs more to run and breaks down more often. If your heating or cooling system is more than 15 years old, replacement is frequently the most cost-effective path forward. OnPoint HVAC handles full HVAC replacement from equipment removal and disposal through commissioning and system testing.


Ductwork Installation and Modification New equipment paired with leaky, undersized, or improperly designed ductwork will underperform regardless of equipment quality. OnPoint HVAC evaluates and modifies existing ductwork or installs new duct systems as part of a comprehensive HVAC installation to ensure balanced airflow throughout your Troy home.

A person brazes copper pipes near a metal ventilation duct, heating the joint with a propane torch.

Why Troy Homeowners Choose OnPoint HVAC

  • Engineer-Led Installations: Every project is overseen by George Petrentzev, a licensed mechanical engineer. Equipment is selected and installed based on Manual J load calculations and engineering best practices — not convenience or inventory.


  • Licensed and Fully Insured: OnPoint HVAC holds all required Michigan contractor licenses and carries full liability and workers' compensation insurance, protecting you and your property throughout every installation.


  • Deep Local Expertise: Based in the Metro Detroit area, OnPoint HVAC understands Oakland County's building codes, permit requirements, and the specific demands Michigan's climate places on HVAC equipment. We work in Troy homes regularly and know the terrain.


  • Transparent, Itemized Pricing: You will receive a detailed written estimate before any work begins. No hidden fees, no surprise charges. Our pricing reflects the actual scope of work involved in a quality installation.


  • Manufacturer Warranties and Labor Guarantees: OnPoint HVAC installations qualify for full manufacturer equipment warranties. We also stand behind our labor, giving Troy homeowners confidence in every system we install.


Serving Troy and Surrounding Communities in Oakland County

OnPoint HVAC proudly serves Troy, MI and the neighboring communities throughout Oakland County and Southeast Michigan, including:


  • Sterling Heights
  • Warren
  • Clawson
  • Royal Oak
  • Madison Heights
  • Birmingham
  • Rochester Hills


Whether you are located in a Troy subdivision near Big Beaver Road, a mid-century home closer to the Clawson border, or a newer build in the north end of the city, OnPoint HVAC provides the same engineering-focused installation quality to every customer. Our Livonia headquarters positions us to respond quickly across the entire Metro Detroit area.

Schedule Your Free HVAC Installation Estimate in Troy, MI

Ready to install a new heating or cooling system in your Troy home? OnPoint HVAC offers free, no-obligation estimates for all HVAC installation in Troy, MI projects. Speak directly with our team, get an itemized quote, and schedule at your convenience.


Call us today: (248) 331-8090


Or request a free estimate online and a member of our team will follow up within one business day.


OnPoint HVAC — Licensed. Engineer-Led. Built for Michigan. Serving Troy, MI and Metro Detroit from our Livonia headquarters.

Frequently Asked Questions: HVAC Installation in Troy, MI

  • How much does HVAC installation cost in Troy, Michigan?

    The cost of HVAC installation in Troy, MI varies depending on the type of equipment, the size of your home, and the condition of existing ductwork. A standard furnace or air conditioner replacement typically ranges from $4,000 to $10,000 installed. Heat pump systems and full HVAC replacements may fall outside that range depending on complexity. OnPoint HVAC provides free, no-obligation estimates with itemized pricing so you know exactly what you are paying for before work begins. Request a free estimate to get an accurate quote for your Troy home.

  • Does HVAC installation in Troy, MI require a permit?

    Yes. In Troy and throughout Oakland County, HVAC installation and replacement work typically requires a mechanical permit issued by the City of Troy's Building Department. OnPoint HVAC handles the permitting process on your behalf, ensuring all work is inspected and code-compliant. Unpermitted HVAC work can create problems at resale and may void equipment warranties — working with a licensed contractor like OnPoint HVAC protects your investment.

  • How long does a typical HVAC installation take?

    Most standard furnace or air conditioner installations in Troy, MI are completed in a single day — typically four to eight hours depending on the scope of work. Full system replacements involving both heating and cooling equipment may require a full day or two consecutive appointments. OnPoint HVAC schedules installations at your convenience and communicates clearly about what to expect before your appointment.

  • How do I know what size HVAC system my Troy home needs?

    Proper equipment sizing is one of the most critical factors in HVAC installation. An oversized system short-cycles, reducing efficiency and comfort. An undersized system runs continuously without meeting demand. OnPoint HVAC performs a Manual J load calculation for every installation — a formal engineering process that accounts for your home's square footage, insulation levels, window area, and local climate data for Troy and Oakland County. This ensures your new heating and cooling system is sized precisely for your home.

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