Helpful Heating and Cooling Resources for Homeowners
Practical guides from Ricotta technicians — written for the way Missouri homes actually work.
Latest Articles
New HVAC guides, published daily
AC Hissing Noise: What It Means and What to Do
Is your AC hissing? Learn which sounds point to a refrigerant leak, a duct leak or normal operation, what to check safely, and when to call a pro.
Oct 24, 2026 St. Louis & Jefferson County, MOAC Smells Like Burning? What to Do Right Now
If your AC smells like burning, here is what to do first, which smells are harmless, which are not, and when to call a St. Louis area HVAC pro.
Oct 23, 2026 St. Louis & Jefferson County, MOHigh-Efficiency Furnace Cost in St. Louis: 2026 Price Guide
What a high-efficiency furnace really costs installed in St. Louis and Jefferson County: price ranges by AFUE tier, what moves the quote, and how to compare bids.
Oct 22, 2026 St. Louis & Jefferson County, MOFurnace Tune-Up Cost in St. Louis: What to Expect
What a furnace tune-up costs in St. Louis, what the price should include, how to spot a bargain special that isn't, and when to book before winter.
Oct 21, 2026 St. Louis & Jefferson County, MOAC Repair Cost in St. Louis: What to Expect in 2026
What AC repair costs in St. Louis and Jefferson County in 2026, what drives the bill, and how to decide between repairing and replacing your system.
Oct 20, 2026 St. Louis & Jefferson County, MOMini Split Cost in St. Louis: 2026 Price Ranges and Quote Tips
What a ductless mini split really costs in St. Louis and Jefferson County in 2026: price ranges, what moves the quote, Ameren rebates and how to compare bids.
Oct 19, 2026 St. Louis & Jefferson County, MOHeat Pump Costs: Check St. Louis Rebates Before Comparing 3 Bids
See St. Louis heat pump prices, Ameren Missouri rebates and tax credits, and how a Manual J calculation plus three itemized bids can clarify your budget.
Oct 16, 2026 St. Louis & Jefferson County, MOWhole House Dehumidifier Cost in St. Louis: Compare Itemized Bids
Whole house dehumidifier costs in St. Louis vary with capacity, access, ductwork, and electrical needs. See published installed ranges and compare...
Oct 15, 2026 St. Louis & Jefferson County, MOFurnace Replacement Cost in St. Louis: Permits Run $200–$400
See St. Louis furnace replacement price ranges, local permit fees, and Ameren Missouri rebates, plus how to avoid overspending with a licensed contractor.
Oct 14, 2026 St. Louis & Jefferson County, MOWinter HVAC Prep Starts With a St. Louis Fall Tune Up
Prep your HVAC for winter in St. Louis with filter, thermostat, and outdoor unit checks, carbon monoxide safety, and a fall tune up from Ricotta Heating &...
Oct 13, 2026 St. Louis & Jefferson County, MOWeak Airflow in One Room? Try the Door Test in St. Louis County
Find likely causes of weak airflow in one room, try practical checks for St. Louis County homes, and learn when a door test or HVAC diagnosis is needed.
Oct 12, 2026 St. Louis & Jefferson County, MOHeat Pump Balance Point: 4 Inputs to Set Backup Heat in St. Louis
Calculate your heat pump’s balance point with four inputs, then set thermostat switchover and supplemental heat. Get local verification in St. Louis.
Oct 11, 2026Browse by service
Jump straight to what our technicians do most across Jefferson and St. Louis County.
When to Schedule AC Maintenance
Why early-spring tune-ups beat July emergencies, and what a proper AC check actually covers.
What to Do When Your Furnace Won't Start
Three things to check before you call (and one thing you should never touch).
Heat Pump Basics for Missouri Homes
How heat pumps work in our climate, when they make sense, and what they cost to run.
Improving Indoor Air Quality
Filters, humidifiers, and the simple changes that make a real difference at home.
Need Heating or Cooling Help at Home?
Call Ricotta Heating & Air for residential HVAC service across St. Louis and Jefferson County. Free estimates are available.