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Top-Rated Window a/c unit installers in San Mateo - Updated Nov 2026

Avatar for American Custom Painting
American Custom Painting
4.8(
65
)
Window A/C Unit - Install

Serving San Mateo, FL and surrounding areas

In business since 2006

Free estimates

"Great! I e-mailed pictures of the project to D who was able to give me a quote for the job. D the painter is committed to excellence! He arrived promptly, reviewed the scope of work and explained to me what to expect. He took the time and protected my belongings from the paint, sanding etc. I would definitely hire him again!"
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+7

Recommended by96%of homeowners
Avatar for Desirable Solutions
Desirable Solutions
5.0(
6
)
Window A/C Unit - Install

Serving San Mateo, FL and surrounding areas

In business since 2020

Free estimates

Emergency services offered

We are a creative engineering firm serving humanity with innovative solutions.\nWe constitute a Distributed Cybernetic Organization specializing in creative engineering to address complex real-world challenges. Our expertise spans design, marketing, and application development, and we collaborate with diverse professionals to support innovative initiatives and communities. We prioritize user-centered technical support and development to deliver effective solutions. Leveraging cutting-edge synthetic intelligence systems and metaphysical principles, we craft unique and desirable solutions.

Drkaitwhitcomb.com
Music Instruction Project
Desir Designs | The Fringe of Design
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+2

Recommended by100%of homeowners
Avatar for National HomeCraft LLC
National HomeCraft LLC
4.5(
191
)
Window A/C Unit - Install

Serving San Mateo, FL and surrounding areas

In business since 1967

Free estimates

Emergency services offered

"The entire team at National HomeCraft earned 5 star rating starting with Kathy who responded right away on scheduling someone to come to our home for the free consultation. Followed then by Jeff Beback the representative who explained each step of the process to renovate our 30 year old shower. Demolition and then reconstruction with a beautiful acrylic shower was seamless with the work crew Scott and Brandon. They were punctual, hard working and very skilled at removing the old shower and installing the new. And we saved thousands going with National HomeCraft versus our first quote!! Overall an excellent experience start to finish!!"
All of the doors and windows were replaced by National HomeCraft.
Shower Replacement
The customer wanted a custom pattern created with the vinyl siding.
Metal shingles that look like real clay tiles. The color will last forever and the shingles will stand up to 200mph winds!
Shower with concrete wall pattern and black fixtures

+11

Recommended by97%of homeowners
Simmons Performance Roofing Inc
4.7(
50
)
Window A/C Unit - Install

Serving San Mateo, FL and surrounding areas

In business since 1990

Free estimates

Emergency services offered

"BEST CUSTOMER SERVICE EVER!!! From the first phone call to the day I paid the balance in full this was one of the most pleasant companies I have ever dealt with! Dan came out to provide a quote. While he was taking measurements he provided me with a sample book of shingles to look at and help get an idea of what we might like. Once he completed the measure he sat down with us to explain the process, options, pros and cons of different products, etc. I received the quote to following day and it was amazing! It also included possible add-ons like gutters, gutter guards, etc. After reviewing the quote I e-mailed back the contract binder (this was on Tuesday). A few minutes later I received a call from Shirley in the office to explain the next step. She was knowledgeable about the process and VERY friendly! The following day I received an e-mail that Steve, the owner, would like to begin the construction the following day (way faster than anticipated!). They sent a rep to our house to pick-up and notarize the consent to proceed form in order to pull the permit. We had a permit that afternoon. On Thursday morning the crew arrived at 7:30 and begin work immediately. It took approximately 2 days to complete the roof on our 1100 sq.ft. home. On Monday, the gutters were installed. Steve personally stopped by Wednesday afternoon to check the work and collect the payment. He was very friendly and down to earth. I couldn't praise his company enough!"
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Recommended by88%of homeowners
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