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TRUSTED BY EL CAJON, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon89
    Verified insulation services reviews

Find Insulation pros in El Cajon

Avatar for Attic Shield
Attic Shield
4.9(
19
)

Serving El Cajon, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Small jobs welcome

"Explained what was needed to be done. Arrived on time. Fast and efficient. removed all old insulation in attic-, sanitized and installed new insulation."
Batts Insulation
Final Install
Final Installation
Air Sealing
Cleaning

+17

Response time8 hrs
Response rate89%
7 neighbors recently requested a quote
Avatar for Ecotech Pro Inc
Ecotech Pro Inc
5.0(
17
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2011

Free estimates

Emergency services offered

"Did a great job...it was a very long day from start to finish however. They did a great job of keeping everything as clean as they could since our attic access was in the master closet! Yikes! Really made a difference and our house stayed much cooler with the fan and new insulation!"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
New Attic blow-in insulation.
Heating and Air Conditioning Project

+55

Response time1 day
35 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Attic Professional
Attic Professional
5.0(
8
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2022

Free estimates

Warranties offered

"Great quality work, paid attention to every detail; from laying down plastic to corner guards to cleaning up every last piece of insulation on the ground outside. The owner and his crew, who were his father and family friends were very professional and kind. The best owner and operator business that I would recommend to the next person in line."
Response time1 day
13 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for California Attic & Build Corp.
California Attic & Build Corp.
4.7(
14
)

Serving El Cajon, CA and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"California Attic & Build was fantastic! The team was professional on time and left everything spotless. They explained the process clearly and showed before and after photos. My home already feels more comfortable. Highly recommended for insulation, cleanup, and rodent proofing!"
My jobs
My jobs
My jobs
My jobs
Response time1 day
Response rate94%
114 neighbors recently requested a quote
Avatar for Guardian Insulation, Inc.
Guardian Insulation, Inc.
4.7(
63
)

Serving El Cajon, CA and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"Love this company! Only good things to say. Price was very competitive or better. Showed up on time. Took care of attic insulation and wall insulation. I am going to hire them again and happy to recommend to anyone."
Blown Cellulose
Installing Cellulsoe Insulation
Air Sealing Attic Penetrations
Exterior Wall Insulation
Exterior Wall Insulation Patching

+1

Response time1 day
Response rate93%
Recommended by96%of homeowners
Avatar for Attic Construction, Inc.
Attic Construction, Inc.
4.3(
82
)

Serving El Cajon, CA and surrounding areas

In business since 2013

Free estimates

Credit card accepted

"Tyler asked questions and listened to our answers to help us choose the insulation options that made sense for our home. The 3 workers prepared the area to protect our floors and doorways from any damage before they started work. Everyone was professional. Even though they put in a long day everything was cleaned up thoroughly before they left."
Before, Middle, After
Before
Removing Debris and Batt Insulation
During Vacuuming
During Vacuuming

+9

Response time4 hrs
Response rate85%
Recommended by90%of homeowners
Avatar for ASI Plumbing, Heating & Air
ASI Plumbing, Heating & Air
4.6(
989
)

Serving El Cajon, CA and surrounding areas

In business since 1952

Free estimates

Emergency services offered

"After calling to request an energy audit and enhanced attic insulation, a representative came out to survey the site and prepare a proposal to replace heating ducts in the attic with R6 ducts, seal the attic from the house, and add 14? blown-in fiber insulation on top of the existing 8? of fiberglass insulation. 
Then a technician came out to do a safety inspection of the heating system, hot water system, fireplace, gas appliances, ventilation, ducting, etc. He completed a series of tests to measure how well the house was sealed before any work was done. He took pictures of everything.
Then a team came out and replaced the ducts, sealed the attic, built dams around the bathroom ventilation fan and the whole house fan, installed channels for the eave vents, and prepared to install new insulation. One of the techs accidentally miss-stepped and cracked the ceiling drywall (see: What surprises come up during the course of the work?), which prevented them from finishing the insulation install until after the ceiling was repaired, which they would do at no cost to me. 
A drywall tech came out to repair the ceiling and resurface the popcorn ceiling.
The install team came back out to complete the insulation install. They blew-in another 14 to 16 inches of fiber insulation on top of the ceiling joists pre-existing fiberglass insulation. They took pictures of everything.
The original technician returned to repeat the seal tests and take more photos. The test results, before and after, and all the photos would be submitted for a state energy efficiency program rebate.
I called about a month later to check on the status of the rebate, and was told that the state requested that the ventilation fan dam be upgraded. A technician returned to complete the upgrade and take additional photos to submit to the rebate program.
I received a $1300 rebate from a state energy efficiency program, reducing the cost to $700 to me."
Drain Clearing Special Only $57
At ASI, The White Glove Guys, we specialize in providing unmatched AC maintenance service. We have a dedicated team that provides prompt and professional AC Tune-ups, repairs, and other services. Our expertly trained AC technicians can improve the efficiency of your AC to ensure solid performance all year round.
ASI Heating is just a call away. We can ensure your air conditioner is up and running perfectly within no time. Call us if you find some performance issues with your AC unit.
Furnace Repair Solutions in San Diego, CA
At ASI Hastings, we place a lot of importance on customer satisfaction. We want to make sure your home or business remains warm and comfortable right through the winter season. If you are experiencing problems with your furnace, don’t hesitate to call us. Schedule an appointment now.
Schedule Your Air Conditioner Services Today!

Our certified White Glove technicians are trained in residential servicing, repairing, and installing of every type of air conditioner ever made!

Evenings and Weekends – Never an Extra Charge!

+7

Recommended by90%of homeowners
Avatar for Landmark Energy Upgrades
Landmark Energy Upgrades
4.8(
59
)

Serving El Cajon, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"We have a 1970's and we decided to have an energy audit by Landmark Construction. It was clear that our house have some energy issues and was in need of a any type of energy overhaul.  The report that was prepared for us by Charlie and his office staff, was comprehensive, clear to understand and revealed that the ducts at the attic  was not sized appropriately. In addition to that, the furnace/AC in the smaller unit was old (and original) and had to be replaced. The recommendations that Charlie told us, included a new furnace/AC, new tankless water system, hot water pipe insulation, building sealing, the insulation and new ducting throughout the house. This was the best investment we ever made.  I could not believe the difference in our utilities bill.  Charlie and his team were great,  professional and experienced. I wish we did these 15 years ago!!
"
Cool Roof Install
Energy Upgrade
HVAC Air Duct
Home Energy Audit
Energy Upgrade Contractors

+6

Recommended by98%of homeowners
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Insulation questions, answered by experts

Yes, covering exposed wires is necessary for several important reasons. Exposed electrical wires pose significant risks, such as electrical shocks, fires, short circuits, and potential damage to your home’s electrical system. By properly insulating and protecting the wires, you can minimize the potential for accidents, prevent electrical fires, and ensure your electrical system stays intact. 

Insulating ductwork improves your HVAC system's energy efficiency by protecting the air from external conditions and preventing energy loss as it travels through the ducts. This means your system doesn't have to work as hard to heat or cool your home, leading to lower energy bills and a reduced carbon footprint. Additionally, insulated ducts help maintain a more consistent and stable indoor temperature, enhancing comfort. Proper insulation also improves indoor air quality by reducing the entry of allergens and pollutants and helps prevent problems like condensation and mold formation within the ductwork.

Insulating ducts prevent or significantly reduce condensation by reducing temperature differences between the duct surface and surrounding air. Proper insulation also minimizes sweating, improves energy efficiency, and prevents moisture damage. However, if humidity levels are unusually high or there are air leaks, additional measures like sealing ducts and using a dehumidifier may be needed.

Hanging a thick blanket over your windows will help to keep the heat inside, but only a little. Covering the glass will also prevent the sunlight from getting in, which might actually decrease the efficiency of your window overall. If you get to the point where you’re hanging blankets over your window to keep warm, call in an expert to seal around your windows to prevent warm air from escaping. They may also recommend replacing old windows that aren’t as insulative as newer window technology. Sealing a window isn’t terribly expensive and can make a big difference.

Yes, doggie doors, like all entrances, can let both hot and cold air into your home. However, as with any door in your house, you can take steps to weather-strip your pet's entrance to prevent air leaks.

The El Cajon, CA homeowners’ guide to insulation services

From average costs to expert advice, get all the answers you need to get your job done.