man fixing a hot water heater

HVAC Service & Repair

Heating, Ventilation and Air-conditioning Service and Repairs are confidently performed with four generations of commitment to excellence! We always go the extra mile to make sure our clients are completely satisfied each and every time. Changing parts without a COMPLETE SYSTEM EVALUATION is a foolish act of inexperience! We are not a quick-fix company. With 4 generations of experience, you can be sure of a SOUND and complete resolution to your system’s performance issues. This is how we prevent the same system failures in the future. Call to schedule an Indoor Occupancy Systems Evaluation Consultation today.

home living room


We offer annual maintenance services plans to properly prepare your heating, ventilation and air-conditioning systems for the applicable season ahead. We are very BIG on system RELIABILITY, which is why our client’s systems rarely fail. We can ENSURE your system's solid PERFORMANCE through regularly scheduled HVAC Maintenance inspections and servicing. We get to know your particular home environment systems in order to keep you ahead of the curve, preventing breakdowns and assuring that your home air-conditioning and heating system delivers during the critical, extreme weather and temperature periods when you need it the most.

person turning on an air conditioner unit with a remote

Indoor Occupancy Health

Proper home air filtration is critical for your health. We have the technology and equipment to accurately measure and assess your home's climate health. Gain the peace of mind of knowing that your home heating, ventilation and air-conditioning filtration is contributing to your health and not exposing you to harmful, airborne particles that can detract from your overall well-being. Our indoor environmental services are geared toward your loved one's health. We offer Indoor Technologies which can be designed specifically for you, the OCCUPANTS and the air you breathe. We pay very close attention to filtration, balance, and your ability to take control of your Indoor Environment.

upgrading HVAC equipment

Heating & Air Conditioning (AC) Installations

Load calculations are utilized to properly upgraded or replace existing equipment.

With four generations of HVAC experience, our installations reflect our commitment to providing reliable, quality and properly measured equipment installations. Your HVAC system needs to be proportionate to your home's size and overall airspace. We accurately measure your home's multidimensional space, in order to provide you with equipment that perfectly compliments your home and budget.  We take everything in to consideration to ensure you have the proper Heating and AC equipment for your unique environment.


Welcome to HHvac Indoor Technologies LLC

HHvac Indoor Technologies LLC offers state of the art talent in the HVAC/Mechanical industry. With over 75 years of experience, we are masters of repairing, servicing, installing and maintaining heating and air conditioning for homes and businesses. We are family owned and operated. We have been featured on CBS NEWS NY as indoor Environmental Specialists and will continue to work with our local and national NEWS organizations to help PROTECT our industry from non ethical service practices. We are a choice contractor with Con Edison. We've owned HVAC businesses in Westchester New York, Arizona and South Florida. We have the experience many will most likely not obtain until we teach them.

Heating, Ventilation &
Air-Conditioning Specialists Serving Westchester, New York & Surrounding Areas!

We are HHvac Indoor Technologies LLC, the leading HVAC Heating Ventilation Air Conditioning contractor in Westchester, NY. If you’re looking for a reliable, trustworthy, and efficient heating and air-conditioning contractor, then you’ve come to the right place. With a diverse portfolio of HVAC work, backed with over 3 Generations in the HVAC industry we have the experience to manage a large variety of diverse Mechanical projects. As Fully-Certified Professionals, we are ready to properly address the most complex and large scale HVAC projects to the smallest repair jobs.

We are not a quick fix repair handy man special! We are fueled by our commitment to Excellence and always go the extra mile to make sure our clients are completely satisfied each and every time.

HHvac Indoor Technologies Projects Portfolio

Furnace repair

Furnace Repair

January 25, 2022

Air-Condenser Tune-up

Air-Condenser Tune-Up

July 2, 2021

Duct Fabrication

Duct Fabrication

April 16, 2021

Our Philosophy

It took us many years, but we've learned what works and what doesn't in the HVAC mechanical industry. We know how to properly condition your indoor environment for heating, cooling, air purification and its relative humidity. We understand your environment better than anyone out there. Unfortunately, along the way we've witnessed many others in the industry who don’t have a clue. Just know that with Hansen's we will never compromise our morals, integrity or standards for a quick fix or sale! We are not parts changers and aren't going to sell you a new unit due to the FACT that we can't fix it! We have the EXPERIENCE and the most QUALIFIED technical approach to ANY HVAC issue. We are not for everyone.

person adjusting an AC wall thermostat


What People Say About Us



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