High Performance Home LLC

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About High Performance Home LLC
High Performance Home LLC operates as a general contractor based in New Windsor, Maryland, holding a 4.4-star average rating across 16 verified client reviews. The company specializes in energy efficiency upgrades and serves residential clients throughout Carroll, Frederick, Howard, and Baltimore Counties. Their service menu includes insulation improvements, window and siding replacements, roofing projects, and full HVAC system installations. The business maintains standard weekday operating hours from 8 AM to 4 PM, Monday through Friday.
The contractor distinguishes itself through direct expertise in utility rebate programs, notably the Potomac Edison initiative, which customers cite as adding exceptional value to their insulation and efficiency upgrades. The company offers comprehensive energy audits as a starting point for homeowners seeking to reduce utility costs. This focus on measurable savings sets them apart from general contractors who treat energy efficiency as an afterthought rather than a primary service line.
Client reviews reference specific technicians by name, including Larry who handled insulation assessments and explained efficiency improvements in detail before beginning work. Another reviewer described Mike managing a windows and siding project, noting the crew performed additional minor repairs beyond the original scope to ensure complete satisfaction. A third client working with Larry and Mike on a roof replacement appreciated the thorough product explanation and step-by-step process walkthrough before work commenced. The technicians maintain communication throughout projects and clean up thoroughly at the end of each workday.
What Customers Say
All five sampled reviewers awarded 5-star ratings, with three specifically mentioning rapid scheduling and clear communication before and during projects. Two reviews cite additional repairs performed beyond the original scope at no extra charge, demonstrating commitment to complete work rather than minimum viable delivery.
Working Hours
| SundayToday | Closed |
| Monday | 8 AM–4 PM |
| Tuesday | 8 AM–4 PM |
| Wednesday | 8 AM–4 PM |
| Thursday | 8 AM–4 PM |
| Friday | 8 AM–4 PM |
| Saturday | Closed |
Services
Energy Audits
Comprehensive assessments identifying efficiency improvement opportunities in residential properties.
Insulation Upgrades
Insulation improvements targeting energy loss reduction and utility cost savings.
HVAC System Installation
Complete new HVAC system installation with equipment delivery and setup.
Roofing Services
Full roof replacement including old roof removal down to trusses and new installation.
Siding Replacement
Exterior siding removal and installation with attention to weather sealing.
Window Replacement
New window installation with proper sealing and finish work.