Mini split systems are growing in popularity across Central Iowa, and for good reason. They’re quiet, efficient, and flexible. But with more interest comes more misinformation.
If you’ve heard things like “Mini splits don’t work in Iowa winters” or “They cost a fortune to run,” this post is for you.
Let’s bust the biggest myths about mini split installation, using real data and insight from local HVAC pros.
Myth #1: “Mini Splits Don’t Work in Cold Climates”
Truth: Modern mini split systems with heat pump technology are specifically designed to perform in cold weather, even Iowa winters.
High-efficiency units like Mitsubishi and Daikin work down to -13°F or lower
Cold-climate mini splits use inverter-driven compressors to adjust output based on the exact heating needs
According to Energy.gov, heat pump efficiency remains high in low temps when properly installed
Learn how a mini split install works in this blog post.
Myth #2: “They’re Only for Add-Ons or Garages”
Truth: While mini splits are perfect for add-ons, they’re also an efficient solution for whole-home heating and cooling.
Multi-zone systems allow one outdoor unit to power 2–8 indoor units
Perfect for older homes without ducts or large homes needing zoned comfort
According to Consumer Reports, ductless mini-splits can rival central HVAC systems in performance, especially when zoning is a priority.
Check out this blog on the best rooms for mini splits.
Myth #3: “They’re Ugly and Take Up Too Much Space”
Truth: Today’s mini splits come in sleek, modern designs — some even flush-mounted in ceilings.
Wall-mounted, floor-mounted, or concealed duct options
Compact size (some less than 12” high)
Quiet operation (as low as 19 decibels)
If you’re concerned about aesthetics, talk to a pro about low-profile options or ceiling cassettes.
Myth #4: “Installation Takes Weeks”
Truth: Most mini splits are installed in 1–2 days, not weeks.
Here’s what a typical install looks like:
Home evaluation to determine room needs
System sizing based on layout and insulation
Wall prep and outdoor unit placement
Drill a 3-inch hole to connect indoor and outdoor units
Final testing and demo
It’s faster and cleaner than adding new ductwork.
Learn what to expect during a mini split install.
Myth #5: “They Cost a Fortune to Run”
Truth: Mini splits are among the most energy-efficient HVAC systems available.
No ductwork = no energy loss (ducts can lose up to 30% of airflow!)
Inverter technology adjusts performance to save power
ENERGY STAR-rated systems qualify for rebates and tax credits
A Des Moines family reported saving nearly $800 per year after switching from window units and electric baseboard heat.
Explore federal tax credits for mini splits.
Myth #6: “One Unit Can Heat/Cool the Whole House”
Truth: A single indoor unit is great for one room or zone, but whole-home solutions need multi-zone setups.
Talk to your installer about how many zones your home needs
Each zone can be controlled independently
Remember: Oversizing or undersizing your system affects performance and cost.
Discover how Anthem helps you size your system right
Myth #7: “They’re High Maintenance”
Truth: Mini splits require simple, regular maintenance — but it’s often DIY-friendly.
Wash or replace filters every 1–3 months
Wipe down the unit exterior
Schedule annual service to check refrigerant and electrical
Myth #8: “Mini Splits Don’t Work During Power Outages”
Truth: Like all HVAC systems, they need electricity, but they can work with backup generators.
A small whole-home generator can power mini-splits
Lower energy draw compared to central HVAC makes them more generator-friendly
For Central Iowa homeowners worried about outages, mini-splits may even be more reliable during storms.
Final Take: Should You Consider a Mini Split?
Mini splits aren’t just for fancy renovations. They’re an energy-smart solution for many Central Iowa homes — old and new. If you’re battling hot upstairs rooms or freezing basements, they might be your perfect fit.
Still unsure? Contact Anthem Heating & Cooling — we’re the local pros here in Central Iowa.
Give us a call today:
515-249-2581 (Bondurant, IA)
641-485-1998 (Grinnell, IA)