What Causes Uneven Heating Or Cooling In Colliers Homes?
January 7th, 2026
3 min read
By Alex Largent
Quick Answer
Temperature differences from room to room are most often caused by airflow imbalance, duct limitations, insulation gaps, or HVAC systems that were never designed around the home’s layout. In older, multi-level Colliers homes—especially those built on hillsides or with basements—these issues often combine and create ongoing comfort problems.
Why This Happens So Often In Colliers Homes
Uneven temperatures are rarely caused by a failing furnace or air conditioner.
Colliers has many homes built well before modern HVAC design standards were common. Over time, systems were replaced, basements were finished, garages were converted, and additions were added—without ever correcting how air was meant to move through the house.
We most often see this in homes built from the 1920s through the 1970s, particularly in areas with elevation changes and narrow lots where duct routing was limited from the start.
The Most Common Causes Of Uneven Heating Or Cooling
Poor Duct Design Or Aging Ductwork
Ductwork often determines comfort more than the HVAC equipment itself.
In many Colliers homes:
- Duct runs are undersized or overly long
- Upper floors receive weak airflow
- Basement ducts lose heat before air reaches living areas
- Original duct systems were never balanced after upgrades
When airflow is uneven, comfort problems persist even if the HVAC system appears to be operating normally.
Hillside Construction And Multi-Level Layouts
Homes built into hills naturally struggle with temperature balance.
A typical Colliers home may include:
- A basement partially below grade
- A main living floor
- Upper-level bedrooms
Basements tend to stay cooler year-round, while upper floors trap heat in summer. One thermostat cannot balance these areas without airflow control or zoning.
One Thermostat Serving The Entire Home
A single thermostat only measures temperature where it’s installed.
If it’s located:
- On the main floor
- Near the kitchen
- In a hallway
The system may shut off before other rooms reach a comfortable temperature. This is a frequent complaint in older Colliers homes.
Insulation Gaps And Drafty Lower Levels
Your HVAC system cannot compensate for insulation weaknesses.
Many Colliers homes have:
- Limited attic insulation
- Drafty basements
- Air leaks at rim joists
- Mixed window upgrades over time
Rooms with weaker insulation gain and lose heat faster, creating noticeable hot and cold spots.
Improperly Sized HVAC Equipment
Replacing equipment without correcting airflow rarely fixes comfort problems.
Many systems were installed using basic square-foot estimates instead of proper load calculations. This can cause:
- Short cycling
- Poor air mixing
- Persistent temperature differences
New equipment alone often makes uneven heating and cooling more noticeable.
A Real Colliers Example We See Often
Home: 1950s hillside two-story near Main Street
Layout: Basement, main living floor, second-floor bedrooms
Problem: Cold lower level, overheated upstairs in summer
What we found:
- Original ductwork serving all floors equally
- No balancing dampers
- Minimal attic insulation
- Thermostat located on the main floor
The HVAC system itself was not failing. The airflow design never matched the home’s hillside placement.
A Cost Driver Unique To Colliers Homes
Correcting uneven comfort is often driven by access and elevation.
In Colliers, cost is commonly influenced by:
- Hillside foundations limiting duct access
- Older construction methods
- Finished basements restricting airflow changes
Fixes may include:
- Duct balancing or modification
- Airflow adjustments
- Targeted insulation improvements
- Zoning where appropriate
The cost reflects the home’s structure—not unnecessary upgrades.
A Common Mistake Colliers Homeowners Make
Adjusting the thermostat does not correct airflow problems.
This often leads to:
- Larger temperature swings
- Higher energy bills
- Increased system wear
- Ongoing frustration
Uneven heating and cooling is an airflow and design issue, not a thermostat issue.
Neighborhood-Specific Issues Across The Upper Ohio Valley
We see similar comfort problems in:
- Steubenville
- Wintersville
- Toronto
- Mingo Junction
- Brilliant
- Weirton
- Follansbee
- Wellsburg
- New Cumberland
Elevation changes, basements, and older construction all influence airflow and comfort throughout the region.
How Uneven Heating And Cooling Is Actually Fixed
There is no one-size solution.
Depending on the cause, proper fixes may include:
- Airflow balancing
- Duct adjustments
- Zoning systems
- Insulation upgrades
- Proper system sizing during replacement
The key is identifying the root cause before recommending any changes.
Frequently Asked Questions
Can uneven heating or cooling shorten HVAC system life?
Yes. Systems that constantly work harder to satisfy one area experience more wear and may fail sooner.
Will replacing my HVAC system fix uneven temperatures?
Not always. Without addressing airflow and layout issues, new equipment can still leave rooms uncomfortable.
What guarantees do you offer?
We protect homeowners with:
- Service Trust Guardian for repairs and maintenance
- Lifetime Trust Shield for new installations
These guarantees focus on accountability and long-term confidence.
What To Do Next
Uneven heating and cooling is frustrating—but it is also one of the most fixable comfort problems when properly diagnosed.
Call Honest Fix today for a free exact quote.
If you’d like to review our guarantees before deciding, we’ll explain them clearly—no pressure, no games.
Alex Largent is the Owner and Senior HVAC Efficiency Analyst at Honest Fix Heating, Cooling & Plumbing. With more than 20 years of field experience, NATE and EPA certifications, and a hands-on leadership style, Alex teaches his team to fix systems right the first time — with transparency, precision, and no upsells. He writes about HVAC diagnostics, home energy efficiency, and practical maintenance advice for homeowners across the Upper Ohio Valley. Read Alex Largent’s full bio to learn more about his expertise in the HVAC and Plumbing industry. Updated October 2025.