Duct systems

Duct systems in California leak on the average 30%. That’s throwing away $0.30  of every heating or cooling dollar you spend.


Energy Star-qualified products

Replacing single pane windows with Energy Star-qualified products will save you between $126 and $465 a year. They look beautiful too.


How safe is your home?

Centers for Disease Control and Prevention (CDC) statistics show that nearly 400 Americans die from unintentional carbon monoxide(CO) poisoning each year. A Home Energy Audit can detect  elevated levels of CO in your home.


Contemporary or French Country? Craftsman or Colonial? You have the freedom to mix and match features that will complement your style.

New replacement dual pane Low E windows provide energy efficiency, savings and comfort for your home. Low-E glass filters long-wave radiation from the sun. This reduces solar heat gain from the sun in the summer…keeping your home cooler.  During the Winter months, low-E glass lets warm solar rays into your home while blocking the heat in your home from getting out:

Grupe Home Star, voted “Best of San Joaquin 2014” – offers an assortment of traditional and contemporary designs, with many options. We have a variety frame colors and grid patterns for you to choose from. 

Because any home improvement project is a big decision, Grupe Home Star would like to make it as painless as possible. We will meet with you, go over the products that we offer, answer any questions you may have, discuss our easy, 100% financing options and provide you with a free estimate.

Request a FREE consultation and start the beautification of your home today with Grupe Home Star, your neighborhood window specialists.


Enjoy comfort you can count on . Grupe Home Star install heating and air conditioning equipment that offers energy efficiency, high performance standards and reliability at an affordable price. 

As a homeowner, you want a cost-effective way to maintain a comfortable environment inside your home. The gas furnace provides not only warmth, but operates with your central air conditioner that delivers cool comfort too. With many sizes and efficiency levels available, we will help you choose a size and efficiency that meets your needs. 

Whether it’s the coldest day of the year, or the hottest, after installing a new heat and air system , you will be glad you chose Grupe Home Star.

Request a FREE consultation and take the first step to comfort and savings. 


More than 60% of homes in the United States need more insulation, according to the Harvard School of Public Health

Is your home one of them?

How do you know if your attic is under-insulated?

If you can see the tops of the wooden joists, you need more insulation. Even if you can’t see the tops of the joists, you probably need more. Measure by sliding a tape measure vertically into the insulation. You should have 13 or more inches or an R-Value of R-38.

Create year-round comfort.


  • We’ll inspect your attic to find gaps and cracks where energy is escaping into your attic. This includes:
  • Where interior and exterior walls meet attic floor
  • At soffits and other dropped-ceiling areas
  • Behind Knee walls
  • Around pipes, electrical and junction boxes
  • Around furnace flues

The Home Improvement That Pays You Back.

Adding insulation to your attic and air sealing your home will help lower your heating and cooling costs, reduce wear and tear on your furnace and air conditioner and keep your home more comfortable year round.

Request a FREE consultation

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Water Heater

Need a New Water Heater?

Tankless & Hybrid style Water Heaters are a very popular energy efficient homeowner choice. Unlike traditional water heaters, they heat water when you need it. Think of the wasted energy keeping 40 to 50 gallons of water hot around the clock. We still offer conventional storage tank water heaters for our more “traditional” homeowners that want to replace what they have, but want something more efficient.  Conventional storage tank water heaters cost less and are in many cases, the perfect choice for the homeowner.

Tankless Hot Water Heaters

Tankless water heaters are available in either electric or gas. Our trained staff will discuss with you the pros and the cons and help you decide which is best for you.

Hybrid Hot Water Heaters

Hybrid water heaters combine the advanced technology of a tankless, but with a small water tank. Conventional storage water heaters maintain 40 to 50 gallons of water, a hybrid water heater only needs a storage tank of 2 gallons. By keeping a small amount of heated water, a hybrid water heater can provide hot water in homes that frequently use multiple water applications at the same time.

Benefits of Hybrid and Tankless Water Heaters

  • Steady Supply- Hybrids/tankless water heaters never run out of hot water.
  • Reduce Water Bills- Tankless and hybrid water heaters reduce water costs up to 50%.
  • Water Conservation- Less wasted water!
  • Space Saver- Tankless and hybrid water heaters take up virtually no room at unlike the conventional large tanks.
  • Energy Efficient – Save money on your water heating costs


Solar & Home Efficiency

By combining the two your home reaps the maximum benefits. You can feel good about the benefits for the environment too.  Grupe Home Star, unlike some of the competition, won’t try and sell you largest solar system. We feel you should first do the improvements that make your home more energy efficient, and then size a solar system that fits your new, lower needs. Not only will you save money on your energy bill, but you will create a more comfortable home. Make home energy improvements along with your solar install. It’s smart, it’s efficient and is the most cost effective.

Reduce then Produce

Ways to Reduce Before Your Produce:

  • First step is a Home Energy Audit to determine the efficiency needs of your home.
  • Install Energy Star rated appliances that operate with high efficiency.
  • Upgrade your heat and air systems to modern energy efficient ones.
  • Increase Attic Insulation
  • Convert your water heater to an energy efficient hybrid or tankless system
  • Install Dual Pane Low E windows
  • Seal leaky ducts
  • Air seal a leaky “Drafty” home

Completing some of these energy efficiency measures before installing solar panels could reduce the size of the solar system needed, saving you money!