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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon75
    Verified heating and air conditioning services reviews

Top-Rated Heating and air conditioning pros in Boone - Updated Nov 2026

Avatar for Schaal Plumbing, Heating, and Cooling
Schaal Plumbing, Heating, and Cooling
5.0(
32
)
Central A/C - InstallGas Furnace / Forced Air Heating System - InstallAir Ducts & Vents - Clean+17 more

Serving Boone, IA and surrounding areas

Approved (Corporate)

In business since 1946

Free estimates

Emergency services offered

"Mack and Aaron were both EXTREMELY helpful, knowledgable, professional, polite and concerned about cleaniness (and we appreciated all those postive characteristics!). Really excellent professionals who serviced our furnance and installed a new thermostat that is really nice. We cannot recommend Schaal highly enough and Mack and Aarson were really, really good to work with. If you are seeing this and considering an HVAC company, there is no other choice than Schaal! (We have used Schaal since the early 1990s and always been totally pleased with their service, technicians and people who answer the phones!)."
31 neighbors recently requested a quote
Recommended by78%of homeowners
Midwest Remodel and Repair
4.5(
24
)
Thermostat - Install or ReplaceThermostat - Repair or Reprogram

Serving Boone, IA and surrounding areas

Approved

In business since 1994

Free estimates

Emergency services offered

"Where do I even begin telling you about Tony and the wonderful work he does, the attention to detail, the cleanliness, the "going beyond the call" mentality? We had a water mark showing up on our family room ceiling that was gradually getting bigger and darker. With two bathrooms on the second floor right above the damage we were pretty sure what the problem was. We really didn't know of any contractors that would do this "small" of a job so I went searching. Stumbled across Midwest Remodel and Handyman in my search, saw some good reviews and that's when we were fortunate enough to have met Tony! He came right out and assessed the damage and within a day gave me a fair quote and an estimate of when he would be able to do the work. Hired!!! Then, before he even started this job for us, my mailbox post decided to crap out on us and was almost leaning in to the street. I called Tony just to see if by chance he could fix it for me. Again...he came right out and took care of the problem for me! Unbelievable! When the time came to actually do the work I initially hired him for, he was prompt, diligent, efficient, he cleans up after himself literally every day before he leaves, and I have to say that watching Tony and his helper Brandon work together is entertaining, to say the least! What a couple of great guys with a great sense of humor! And when all was said and done, he stuck to his quote, no overcharging and the work was impeccable. But here is a testimony to the true character of these guys...in the midst of all the repair work going on, my wife had a medical emergency. I had to go pick her up from work and leave her car in the parking lot where she left it as she was unable to drive. On day two of her hospitalization, these guys offered to take me to go get my wife's car so it didn't have to sit in the parking lot any longer. They did not have to do that but that's the kind of guys they are and I was incredibly grateful! Class act all the way! Best of all, we now have someone that we can trust and rely on to do things around the house for us that we just don't have the talent or skills to do ourselves! What a relief!!! We already have more things for him to do! This guy is so good, it didn't take long for our neighbors to catch on...he's doing work for them now too!"
Response time11 hrs
Response rate100%
Recommended by80%of homeowners
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Heating and Air Conditioning FAQs, answered by experts

Yes. It's not just AC filters that get dirty. Ducts can accumulate dust and dirt quickly. Insects and animals can also get into duct systems, creating many problems. Dirt build-up and unwanted guests can constrict the airflow and cause rooms not to cool evenly. You might also see higher energy bills because they're not working as efficiently.

If the air coming from your AC unit is cool but never quite cold, there are a few reasons this might be happening. For starters, it could signal that your refrigerant levels are low. If there are no other indications of this particular issue, like hissing noises or frozen refrigerant lines, anything from dirty filters to damaged condenser or evaporator coils could be responsible for the problem.

Evaporator coils in HVAC systems typically last around 10 to 15 years. However, their life span can be longer or shorter based on factors like the frequency of your HVAC system usage, whether regular maintenance is performed, and environmental conditions. Regular maintenance, such as HVAC system cleaning and coil inspection, can extend the durability and efficiency of your evaporator coil.

No. Evaporator coils are designed to work with specific refrigerant types, and they are rated by what kinds of refrigerant they use. It’s indicated with an “R” code. It’s important to match your evaporator coil and refrigerant or your system will not work properly. An AC technician can tell you what type of refrigerant your system needs and what evaporator coils will work with it.

Deciding whether to replace just the AC coil or the entire system depends on the age of your unit and the overall cost. Replacing a coil is less expensive than a full system replacement, but it can still be a pricey repair. If your HVAC system is relatively new and still under warranty, or if the replacement cost is significantly lower than a new system, replacing the coil can be a worthwhile investment that restores efficiency and extends the unit's life. However, for older systems (nearing the end of their 10-15 year lifespan) or those with extensive damage, it is often more cost-effective to replace the entire AC unit. Mismatched coils in an older system can lead to inefficiency and future breakdowns, so a full replacement ensures optimal performance and avoids further costly repairs.

The Boone, IA homeowners’ guide to heating and air conditioning services

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