Reliable HVAC and Plumbing Contractors in Sleepy Hollow, NY
Founded in 1985, Clover Heating and Cooling has grown into one of the region’s most respected names in HVAC, plumbing, and indoor air quality. Leadership, education, and building science guide every recommendation, service visit, and long-term solution. Homes function as systems, and comfort improves when every part works together.
Seal Tight and Ventilate Right
Homes perform best when air movement is controlled with purpose. Sealing gaps reduces energy loss, drafts, and outdoor pollutants, while proper ventilation supports fresh air exchange and balanced humidity. This approach protects indoor air quality without driving up energy use.
A tighter home paired with the right ventilation strategy supports lower utility costs and healthier living conditions. Careful testing shows how air interacts with the structure, allowing improvements that support comfort, efficiency, and financial savings without sacrificing safety or breathability.
Service Plans, Financing, and Ongoing Support
Homes benefit from consistency. Our Planned Service Agreements support reliable operation through regular HVAC, plumbing, and air quality evaluations. These plans help reduce unexpected repairs, improve efficiency, and keep systems running as intended.
Flexible financing options are available for qualified upgrades, meaning homeowners can move forward with improvements that support efficiency and indoor comfort. Service recommendations always focus on value over time, not short-term fixes.
Education, Certification, and Real-World Experience
Better outcomes begin with strong qualifications. Leadership and technicians hold certifications from the Building Performance Institute, National Comfort Institute, North American Technician Excellence, and other respected organizations. This training supports advanced testing methods that evaluate airflow, combustion safety, chimney draft, system efficiency, and building tightness.
Education never stops in a field shaped by evolving energy standards and environmental goals. Continued training keeps the team aligned with New York’s transition toward carbon reduction, electrification, and cleaner indoor environments.
Testing the Home as a System
Comfort issues rarely come from one source. Air leakage, insulation gaps, duct performance, and mechanical operation all interact. Advanced diagnostic tools such as blower door testing and airflow analysis reveal how tight or loose a home truly is.
Testing provides clarity before improvements begin. Tightening homes without understanding ventilation needs can create problems. Measurement allows adjustments that balance efficiency with fresh air, comfort, and safety.
Expert Leadership Behind Our Team of Technicians
Anthony J. Marmo is president and founder of Clover Heating Inc., doing business as Clover Heating Cooling, Clover Comfort, “The Green Home Pros,” and owner of Zerodraft of Metropolitan New York, based in Sleepy Hollow, New York. Established in 1985, Clover Comfort serves Westchester, Rockland, and Putnam counties.
A licensed plumbing, heating, and air conditioning specialist. Mr. Marmo has broadened his expertise through extensive training to become an industry leader in environmentally-friendly, Geothermal, Aerothermal (Cold Climate Heat Pumps), and Solar thermal heating and cooling systems. A “Green Home” Professional. Mr. Marmo holds certifications of expertise from the Building Performance Institute, the National Comfort Institute, and North American Technician Excellence, Inc.
Twenty-year board member and former President of the Building Performance Contractors Association of New York State, Mr. Marmo is a Pioneer in the Building Performance community and Westchester’s oldest Home Performance Contractor. Recognized for leadership in Energy Conservation 2004 from the Town of Greenburgh, Mr. Marmo received the Outstanding Partner Award Home Performance with Energy Star 2008, and Five-Year Partner Award Home Performance with Energy Star 2010 from the New York State Energy Research & Development Authority (NYSERDA)