Who We Are
High Performance Home is your local, Veteran-Owned, certified, fully licensed, and insured Home Performance Contractor. Since 2008, we’ve been helping Maryland homeowners make their homes more energy-efficient, comfortable, and healthier—all while saving money. Founded by Larry Tennant, our team has a proven track record of cost-effective solutions that deliver real results.
Why Choose High Performance Home?
At High Performance Home, you’re not just another job on the list—you’re our neighbor. When you call us, you speak directly with Larry Tennant, Owner and Certified Energy Auditor. From your first conversation to your completed project, Larry personally oversees every step.
We don’t believe in high-pressure sales or endless pitches. Instead, we focus on honest recommendations, practical solutions, and exceptional service. As a participating contractor in the BGE and Potomac Edison Home Performance with ENERGY STAR® Programs, we can even help you qualify for up to $10,000 in rebates on your energy efficiency improvements.
Honesty. Integrity. Service. These aren’t just words—they’re the foundation of every project we do.
Meet Larry Tennant – Owner & General Manager
Larry Tennant brings over 40 years of building experience and 17+ years of energy auditing expertise to every home he visits. After serving his country in the military, Larry dedicated his career to helping Maryland families lower energy bills, improve comfort, and create healthier living spaces.
A hands-on owner, Larry believes in doing what he says and ensuring every customer enjoys a stress-free, positive experience. Family is his greatest pride—Larry has 3 children and 6 grandchildren—and he treats every homeowner with the same care and respect.
Our Service Area
We proudly serve homeowners in:
Howard County, Carroll County, Frederick County, and Baltimore County, including:
- Reisterstown
- Ellicott City
- Clarksville
- Westminster
- Eldersburg
- Sykesville
- Lutherville
- Columbia
- Towson
- Hampstead
- Manchester
- Mount Airy
- New Market
…and surrounding areas.
Our Services
We provide energy-saving recommendations and improvements designed to make your home more comfortable, healthier, and cost-efficient:
- Home Energy Audits
- Insulation (Attic, Crawl Space, Basement & More)
- Air Sealing
- Heating & Cooling System Upgrades
- Whole-House Ventilation Solutions
- Indoor Air Quality Improvements