Doug Mapstone

Welcome to Doug Mapstone Inc, home of Manlius' most experienced team of local HVAC contractors and electricians. We take tremendous pride in maintaining the safety of our community while delivering tremendous value for the money. After 20 years of operation, our licensed and insured team of technicians have seen it all, and are able to tackle any job with confidence. With free initial estimates and guaranteed work, we want you to feel completely at ease entrusting your maintenance investment to us.

Whether you're a homeowner struggling with outrageous summer power bills or a business owner frustrated with shoddy electrical work, you can rely on Doug Mapstone Inc to deliver expedient emergency service and cost-effective solutions tailored to your property's needs. We have over 20 years of experience helping residential and commercial clients repair, replace and maintain their HVAC and electrical systems. We work hard to guarantee the safety of your property and its occupants the whole year 'round.

At Doug Mapstone, we're dedicated to helping our community in and around Manlius stay safe and comfortable year round. Over the past 20 years, we've helped countless residential and commercial clients repair and maintain their HVAC systems. We aim to deliver more control over your indoor climate while slashing your monthly utility bill with cost-effective heating and A/C solutions. Additionally, we ensure that your electric system remains fully functional and in compliance with New York safety code, so you can rest easier knowing your property and its occupants are safe from electrocution and fire.