Got a question?
Faqs
Have a question?
Finding effective solutions to your HVAC challenges is our specialty at Mechanical Consulting Group LLC as we are dedicated to understanding your unique needs and providing tailored services that ensure optimal comfort and efficiency
in your environment.
General
How often should I really replace my air filter?
Many homeowners either forget or misunderstand how frequently HVAC filters need changing. Factors like pets, allergies, usage, and filter type all affect the replacement schedule. The general rule (every 1–3 months) can seem vague, and not knowing the impact of a dirty filter (e.g., reduced efficiency, higher energy bills, or system strain) adds to the confusion.
Is it better to leave the thermostat at one temperature all day?
There’s a lot of misinformation about thermostat habits. Some believe constantly adjusting it uses more energy, while others think leaving it at a steady temp is better. The role of programmable thermostats and how HVAC systems actually work (especially with modern variable-speed units) isn’t always clear.
Why is one room always hotter or colder than the others?
Uneven temperatures confuse many homeowners. They often think it’s just bad luck or poor insulation, without realizing it could be due to:
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Poor duct design or airflow restrictions
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Closed or blocked vents
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An unbalanced HVAC system
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Leaky ducts or zoning issues
Contractor Services
(Do you really need them?)
Duct Cleaning
Why it’s confusing:
Homeowners often don’t understand what duct cleaning actually includes or when it’s necessary. Some think it’s a scam, while others overestimate its benefits. There’s also confusion about whether it improves air quality, increases system efficiency, or is even recommended by HVAC manufacturers (which it usually isn’t unless there’s visible mold, pests, or heavy dust buildup.
System “Tune-Up” or Seasonal Maintenance
Why it’s confusing:
The term “tune-up” sounds vague. Homeowners may not know what’s being done during this service or why it’s important if their system seems to be running fine. Since issues like refrigerant levels, electrical components, and airflow aren’t visible, they may see it as a money grab unless it’s clearly explained.
Refrigerant Recharge
Why it’s confusing:
Many homeowners think refrigerant is like gasoline — something that runs out and needs refilling regularly. In reality, refrigerant doesn’t deplete unless there’s a leak. So when technicians say a “recharge” is needed, homeowners might not understand that it’s actually a sign of a bigger problem (i.e., a leak that should be fixed).
Get in touch
Our address
2208 Magnolia Ln
Elgin IL 60120
Call Us
630.659.4255
Send us a mail
warren@mechanicalconsultinggroup.com
Warren Toedman
HVAC Expert and Consultant
630.659.4255