Compare Local Pros
Sun Light & Power vs Ais Heating And Air Conditioning
Alameda General Contractors Comparison · Updated March 2026
These contractors serve completely different needs: Sun Light & Power specializes in solar systems while Ais Heating And Air Conditioning handles HVAC work.
| Sun Light & Power | Ais Heating And Air Conditioning | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 49 years | 18 years |
| License # | 326203 | 919756 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Berkeley, CA | Livermore, CA |
| Website | www.sunlightandpower.com | aisheatingandair.com |
Key Differences
What Customers Say
Sun Light & Power
Customers consistently praise Sun Light & Power for thorough consultations with realistic projections, technical problem-solving on complex installations, and the reliability that comes from their employee-owned structure.
Ais Heating And Air Conditioning
Ais Heating And Air Conditioning earns consistent feedback for punctual crews who maintain clean work areas, provide detailed system explanations, and handle unexpected complications during installations professionally.
Key Takeaway: Both companies receive remarkably similar praise for professionalism and communication quality, suggesting veteran-level competence in their respective specializations rather than meaningful service delivery differences.
Customer Reviews
Sun Light & Power
I'm on my fourth project with SL&P and I have to say that they are one of the very best contracting companies I have worked with. They are very thorough and attentive to detail. The workmanship has b...
Here are my criteria for choosing a solar vendor: Long-lived company: ✅ Competitive pricing: ✅ (similar to another bid we got, and in line with local data) Good communication: ✅ (no BS, ever ...
This team is very thorough and detail oriented - as you want when having something installed on your house that is supposed to function for over 25 years. They have been around a long time and will be...
Ais Heating And Air Conditioning
I was very pleased with the AIS service as they were able to resolve the problem with my home furnace. The tech was very patient, thorough and knowledgeable. He checked my whole furnace and then was...
Bi-annual visit to check HVAC system and replace filter. Communication is super important to me and AIS is all over it with the text messaging to remind you and confirm your service and also when your...
Both visits were excellent. Pete diagnosed the problem yesterday, ordered the part and installed it today. The system is working and it is warming up the house. Pete is friendly yet focused on his...
Consider Sun Light & Power if...
- ✓ You need solar panel installation, battery backup systems, or repairs to existing solar arrays from any manufacturer
- ✓ Your home has an older solar system requiring inverter replacement, efficiency upgrades, or integration with battery storage
- ✓ You value working with a company that will likely still exist to service your system 20 years from now
- ✓ You're planning a complex solar installation on challenging roof configurations or custom mounting structures
Consider Ais Heating And Air Conditioning if...
- ✓ You need furnace replacement, heat pump installation, air conditioning service, or ductwork modifications
- ✓ Your home requires HVAC retrofitting, mini-split systems, or wall heater installations
- ✓ You're dealing with heating or cooling emergencies or planning routine HVAC maintenance
- ✓ Your older home needs creative solutions for climate control without traditional ductwork
Questions to Ask Before Hiring
- → If coordinating both solar and HVAC work, ask each contractor how electrical loads from new HVAC systems affect solar sizing calculations
- → Ask whether timing matters for sequencing installations, particularly if upgrading electrical panels for both solar and HVAC equipment
- → Confirm whether either contractor coordinates with the other trade or if you'll need to manage scheduling between them
The Bottom Line
This is not a competitive comparison since these contractors serve entirely different needs. Choose Sun Light & Power for any solar-related work, from new installations to repairs and battery integration. Choose Ais Heating And Air Conditioning for furnace, heat pump, air conditioning, or ductwork projects. If you're planning comprehensive energy upgrades involving both solar and HVAC improvements, you'll likely need both contractors working sequentially. Complete HVAC upgrades first to establish your baseline energy consumption, then size solar appropriately. Both companies have the experience, insurance, and customer satisfaction to handle their respective specializations professionally.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
Yes, but you'll be managing two separate contracts for different work scopes. If you're installing solar and replacing HVAC systems simultaneously, coordinate timing so the solar contractor can properly size your array based on your new heating and cooling loads. The electrical panel upgrade work may also need sequencing to avoid duplicate service calls.
Generally, complete HVAC upgrades before finalizing solar system sizing. If you're replacing an old furnace with an efficient heat pump, your electrical consumption patterns will change significantly, affecting how many panels you need. However, both contractors can provide preliminary assessments to help you plan the sequence that makes sense for your timeline and budget.
If you already have solar and are adding HVAC equipment, your increased electrical load may reduce the percentage of your home's energy covered by solar. Ais can calculate the new system's energy consumption, and Sun Light & Power can assess whether adding panels makes sense. The solar system itself won't need modification unless you're maxing out your electrical panel capacity.
Sun Light & Power entered the solar industry during its earliest commercial phase in the 1970s, giving them unusual longevity in a relatively young sector. Ais's 18 years represents solid veteran status in the more established HVAC industry. Both have sufficient experience for complex residential projects; the difference reflects industry maturity rather than contractor capability in their respective specializations.
Looking for the Best?
See our ranked list of top general contractors in Alameda.
Other Alameda General Contractors Comparisons
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 12, 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.