Compare Local Pros
Eco Performance Builders vs Polartech
Contra Costa HVAC Contractors Comparison · Updated March 2026
Eco Performance Builders brings 16 years of experience and comprehensive energy efficiency expertise versus Polartech's 2 years focused on responsive HVAC service and repairs.
| Eco Performance Builders | Polartech | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 16 years | 2 years |
| License # | 944856 | 1114751 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Walnut Creek, CA | Walnut Creek, CA |
| Website | ecoperformancebuilders.com | polar-tech.us |
Key Differences
What Customers Say
Eco Performance Builders
Customers consistently praise Eco Performance's thorough energy assessments, technical knowledge, and professional execution of complex multi-component retrofit projects.
Polartech
Customers emphasize Polartech's exceptional responsiveness to service requests, strong diagnostic troubleshooting abilities, and clear communication with transparent pricing.
Key Takeaway: Eco Performance's reviews focus on comprehensive project planning and systems integration expertise, while Polartech's reviews center on quick response times and solving difficult repair problems that stumped other contractors.
Customer Reviews
Eco Performance Builders
We needed a new heater and went for a heat pump. Their approach is top shelf: our uninsulated house was insulated, new ductwork installed, recommended window replacement to allow for smaller system. ...
I had Eco Performance Builders install two heat pump HVAC systems with new ducts, new attic insulation, and an ERV system for my house. From start to finish, they were very prompt, knowledgeable and ...
Great service from project planning, design,. permitting and delivery. Highly detail oriented crew that gets the job done well and on time.
Polartech
I want to thank Polartech, specifically Sean for working on my system. I had no heat, the thermostat was not powering up, and temperatures outside were very cold. Sean was able to respond quickly, and...
The owner personally did the job himself. He was quick, efficient, and excellent communication throughout the entire process. Wonderful service
Working with Sean was quite literally one of the best customer service experiences I have ever had! I had an extremely complicated heating situation that multiple technicians from other companies were...
Consider Eco Performance Builders if...
- ✓ Your project involves comprehensive energy efficiency upgrades beyond just replacing equipment, such as combining heat pump installation with attic insulation, ductwork replacement, or air sealing work that requires coordinated planning.
- ✓ Your home is older and may have hidden complications like inadequate ductwork, outdated electrical systems, or structural issues that require experienced problem-solving during installation.
- ✓ You're pursuing utility rebates or financing programs that require detailed energy assessments, proper documentation, and familiarity with program requirements that come with years of experience.
- ✓ You want a systems-based approach where insulation deficiencies and duct issues are identified and addressed rather than simply installing new equipment in a home that isn't ready for it.
Consider Polartech if...
- ✓ Your need is straightforward HVAC service, repair, or mini split installation without the complexity of whole-home energy retrofits or major ductwork modifications.
- ✓ Quick response time is your priority, particularly for emergency heating or cooling failures where Polartech's reputation for prompt service matters more than depth of experience.
- ✓ You prefer working directly with the owner on every aspect of the project rather than coordinating with multiple crew members on larger retrofit teams.
- ✓ Your HVAC system has a difficult diagnostic problem that other contractors haven't resolved, where customers specifically praise Polartech's troubleshooting abilities despite their shorter time in business.
Questions to Ask Before Hiring
- → Ask Polartech: Can you provide references from projects similar to mine in scope and complexity, particularly if your project involves anything beyond standard equipment replacement or repair?
- → Ask Polartech: How many heat pump installations have you completed, and have you handled projects that required significant ductwork modifications or electrical panel upgrades?
- → Ask Eco Performance: What is your typical project timeline for combined energy efficiency work, and how do you coordinate the various trades involved in comprehensive retrofits?
- → Ask both: If complications arise during installation—like discovering damaged ductwork or inadequate electrical service—how do you handle change orders and additional costs?
The Bottom Line
Choose Eco Performance Builders for any project involving comprehensive energy efficiency work, whole-home heat pump conversions, or situations where your older home may have hidden complications requiring experienced problem-solving. Their 16 years of licensed experience and systems-based approach make them the clear choice for complex retrofits where insulation, ductwork, and equipment must be coordinated. Choose Polartech if you need responsive HVAC service, straightforward repairs, or mini split installations where their diagnostic abilities and quick turnaround matter more than depth of experience. For anything beyond basic equipment service or replacement, Eco Performance's significantly greater experience reduces the risk of installation mistakes and provides confidence they've handled complications like yours many times before.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
It depends on your project's complexity. For straightforward mini split installations or standard equipment replacements in homes with adequate ductwork and electrical service, 2 years can be sufficient. However, if your project involves whole-home heat pump conversions, significant ductwork modifications, or integration with insulation and air sealing work, Eco Performance's 16 years means they've navigated these complications many times before. Ask Polartech specifically about their experience with projects matching your scope.
It matters significantly if your home has underlying issues. Installing a new heat pump in a home with leaky ducts and inadequate insulation wastes money on equipment that can't perform efficiently. Eco Performance's approach identifies these problems upfront through energy assessments, ensuring the various components work together. If you just need equipment repair or replacement in a home that's already properly sealed and insulated, this comprehensive approach may be more than you need.
Likely yes for service calls, as Eco Performance focuses on planned retrofit projects rather than emergency repairs. Polartech's owner-operated model and emphasis on responsive service means they prioritize quick turnaround. If you have an emergency heating failure, Polartech's strength in prompt response is relevant. For planned installations and energy upgrades, scheduling speed matters less than project execution quality.
If your home has insulation deficiencies or duct problems, yes—addressing them together prevents installing oversized equipment to compensate for energy losses and ensures proper system sizing. Eco Performance's experience with coordinated projects means they can assess whether your home needs these improvements and handle them together. Polartech could install equipment and you could hire separate insulation contractors, but this requires coordination between multiple companies rather than one experienced team managing the entire scope.
Looking for the Best?
See our ranked list of top hvac contractors in Contra Costa.
Other Contra Costa HVAC Contractors Comparisons
Eco Performance Builders
★ 5.0
Hassler Heating And Air Conditioning
★ 4.9
Eco Performance Builders
★ 5.0
Elite Comfort Systems
★ 5.0
Clean Air HVAC
★ 4.8
Eco Performance Builders
★ 5.0
California Heating And Cooling
★ 4.7
Eco Performance Builders
★ 5.0
How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
Get in Touch
Have questions or feedback? We'd love to hear from you.