Categories Cooling

Can You Replace Just the Outside AC Unit? A San Antonio AC Expert Explains!

If you’ve been told by a technician that you need to replace both of your AC units, you’re probably wondering if you can only replace just the outside ac unit and save some money.

Here’s our recommendation: You should replace both the outdoor and indoor units together for the following reasons:

  1. Old indoor units are incompatible with new outdoor units
  2. Mismatched indoor and outdoor units lead to serious problems
  3. Replacing only one unit can void the manufacturer warranty

In this blog, we’ll go into more detail about each of those reasons. We’ll also share one exception when you may be able to replace just the outdoor unit.

Need an AC replacement? Our comfort advisors can give you an upfront quote on the cost to install a new system.

Categories Cooling, Heating, Indoor Air Quality, Plumbing

Best Home Comfort Upgrades for Boerne Homeowners in 2025

ac maintenance boerne tx

Boerne, Texas is beloved for its scenic Hill Country charm, but residents know the challenges that come with it includes scorching summers, hard water, and high pollen levels. In 2025, more homeowners are turning to home comfort upgrades that keep their spaces cool, clean, and efficient year-round. From energy-efficient HVAC upgrades to advanced air purification systems, here are the top ways to improve your home’s comfort and value.

Categories Indoor Air Quality, Cooling, Heating

How Often Should You Change Your Air Filter?

Ever feel like your A/C isn’t cooling quite like it used to? Or maybe your energy bill is creeping up for no good reason? Believe it or not, a dirty HVAC filter might be the reason. Changing your air filter regularly is one of the easiest ways to keep your system running smoothly and your indoor air quality fresh. But how often should you change your air filter? Well, that depends on a few things—like the type of filter you have, whether you’ve got pets, and how much dust and mold spores are floating around your home. Let’s break it down so you can keep your air conditioners working efficiently without unnecessary headaches.

Categories Cooling

Best Tankless Water Heaters

When it comes to upgrading your home’s water heating system, choosing the right water heater is crucial. At Shafer Services Plus, our plumbing experts have seen firsthand the benefits of the best tankless water heaters, particularly those made by Rinnai. In this blog, we’ll explore why Rinnai tankless water heaters are among the best in the industry and provide insights from our plumbers to help you make an informed decision.

Categories Indoor Air Quality, Cooling, Heating

Signs of Animals in Your Attic

We’ve all been there – the sun has set, the kids are in bed, and you’re just about to ease into a peaceful slumber when suddenly, you hear noises. It starts out as a faint sound, barely perceptible, but then, it grows louder and closer, almost as if something is pacing above your head. You freeze, your mind racing through a dozen scenarios. Is it just a house settling? A stray gust of wind? Or worse… is there something living in your attic?

If you’ve ever experienced the eerie sounds of something moving in your attic, you’re not alone. This is a common issue for homeowners, and the mystery of “What critter is that?” is one that keeps many of us awake at night. In this blog, we’ll explore the potential risks and damage pests in the attic can cause, the most common critters that might be lurking above your ceiling, and the best pest control company in San Antonio.

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