Keeven Heating, Cooling & Geothermal

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Is my system too big for my house?Most people never ask this. They assume if the AC cools and the furnace heats, the sys...
06/15/2026

Is my system too big for my house?

Most people never ask this. They assume if the AC cools and the furnace heats, the system is doing its job.

But here's what an oversized HVAC system actually does:

It cools your home in 8 minutes, shuts off, and cycles back on 10 minutes later. Over and over. All day. Never running long enough to actually pull the humidity out of the air — which is the other half of what makes a Missouri summer livable.

The house reads 72 on the thermostat but still feels thick and uncomfortable. Energy bills are higher than they should be. The system wears out faster because constant starting and stopping is harder on equipment than sustained operation.

The fix isn't a repair call. It's a proper load calculation — an engineering assessment of what your home actually needs — before the next system is specified.

At Keeven, every replacement conversation starts with the right sizing calculation, not with a guess based on what was there before.

If your system has never felt quite right — this might be why.

📞 636-583-0015
📍 555 Keeven Lane, New Haven, MO

No one plans an HVAC breakdown – but we’ve got you covered. From midnight AC failures to Sunday furnace issues, Keeven i...
06/12/2026

No one plans an HVAC breakdown – but we’ve got you covered.

From midnight AC failures to Sunday furnace issues, Keeven is on call for emergency HVAC service 24/7. 🕛👉

Pro tip: Small maintenance can prevent big problems.

For example, scheduling seasonal tune-ups and changing filters every 1–3 months catches issues early. (Dirty filters alone cause ~40% of cooling problems!)

With over 35 years of experience, our family-run team treats you like neighbors – even leaving your home cleaner than we found it.
So relax, we’ll make it right day or night.

Need us?
We’ll be there.

Is your AC blowing warm air? Before you panic, try these quick checks:1️⃣ Thermostat: Make sure it’s set to 'Cool' and l...
06/10/2026

Is your AC blowing warm air? Before you panic, try these quick checks:

1️⃣ Thermostat: Make sure it’s set to 'Cool' and lower than room temp.
2️⃣ Air Filter: Pull it out – if it looks gray or clogged, replace it immediately
3️⃣ Breaker & Vents: Check breakers for a tripped switch and ensure all vents are open.
4️⃣ Outdoor Unit: Confirm it’s powered on, the fan spins, and the unit is clear of debris (leave ~2ft clearance).

Why it matters: A dirty filter or wrong setting is the #1 cause of poor cooling. Fixing these can restore cool air and prevent a summer outage. 👍

If all else fails, our team is here to help – but these steps often solve the issue fast!

Hey New Haven neighbors! Hot days ahead – how do YOU stay cool at home? 🏡❄️A) Blast the AC 🌬️ B) Ceiling fan 💨 C) Froz...
06/08/2026

Hey New Haven neighbors! Hot days ahead – how do YOU stay cool at home? 🏡❄️

A) Blast the AC 🌬️ B) Ceiling fan 💨 C) Frozen treats 🍦 D) Open windows 🪟

👉 Pro tip: Clean or replace your AC filter at least once a month.
A clean filter can literally cut wasted energy by nearly 50%, keeping your home cooler without extra cost! 🔄💡

Drop a comment with your emoji pick below and share your best cooling hack! 🗣️

In 1984, Ron and Lois Keeven started a heating and cooling company out of the St. Louis area.In 1988, they moved the ope...
06/05/2026

In 1984, Ron and Lois Keeven started a heating and cooling company out of the St. Louis area.
In 1988, they moved the operation to their family farm in New Haven, Missouri.

Today, their son Mike runs it from the same place.

That's not just a nice story. It's a statement about how we operate.
When you call Keeven Heating & Cooling, you're not calling a regional office of a national chain. You're calling a family that has served Franklin County homeowners and businesses for 40 years — people who know these roads, these homes, and what Missouri weather actually does to HVAC systems year after year.

Our technicians walk you through the entire process. They leave your home as clean as they found it — if not cleaner. They only recommend what actually needs to be done.

That's not a marketing line. That's how the Keeven family has operated since 1984 and how we intend to keep operating.
If your system needs attention before the summer heat peaks — we're here.

📞 636-583-0015
📧 [email protected]
📍 555 Keeven Lane, New Haven, MO

🕐 Monday–Friday: 8:00 AM–4:30 PM

Right now your air conditioner is doing something that seems obvious but is actually backwards.It's trying to cool your ...
06/03/2026

Right now your air conditioner is doing something that seems obvious but is actually backwards.

It's trying to cool your home by rejecting heat into 95-degree outdoor air.

Think about that. The hotter it gets outside — the exact moment you need your AC most — the harder it has to work and the less efficient it becomes. You pay more in July and August than any other months not because you're using it more. Because the system is struggling against the worst possible conditions.

Geothermal doesn't have this problem.

Six feet underground, the temperature in Franklin County stays around 55 degrees year-round. January or July, it doesn't matter. Geothermal systems exchange heat with that stable ground temperature rather than fighting whatever the sky is doing that day.

The result: consistent efficiency regardless of the weather.
Lower operating costs in the months when conventional systems cost the most.

We've been installing geothermal systems in New Haven and surrounding Missouri communities since before most people had heard the word.
If you've been curious about whether geothermal makes sense for your home — the conversation starts with a call.

📞 636-583-0015
📍 555 Keeven Lane, New Haven, MO

It happens every summer in Franklin County.Temperatures hit 95. Your AC stops cooling. You call your HVAC company — the ...
06/01/2026

It happens every summer in Franklin County.

Temperatures hit 95. Your AC stops cooling. You call your HVAC company — the one you've used for years — and get a voicemail. Then a callback three days later. Then a "we're backed up two weeks" conversation that leaves you sweating in your own home.

We hear this story constantly.

At Keeven Heating & Cooling, we've been showing up for New Haven and surrounding Missouri communities since 1984.
Not just when the weather is mild and the schedule is light — but in the middle of July when everyone needs us at once.

When you call us, someone answers.
When your system fails, we come.

That's not a marketing line. It's 40 years of doing exactly that.
Before the next heatwave hits — give us a call and let's make sure your system is ready.
Because the best time to find out if your HVAC company shows up isn't when you're already sweating.

📞 636-583-0015
🌐 kheatcool.com
📍 555 Keeven Lane, New Haven, MO

While most homeowners panic over $15K+ replacement quotes, smart families are discovering our proven repair-first approa...
05/29/2026

While most homeowners panic over $15K+ replacement quotes, smart families are discovering our proven repair-first approach saves 70% on average.

We've turned countless 'total system failures' into simple $300 fixes.

Before you sign that massive contract, let our certified techs give you the honest assessment other companies won't.

https://www.kheatcool.com/contact-us/

Address

-
New Haven, MO
63068

Opening Hours

Monday 8am - 4:30pm
Tuesday 8am - 4:30pm
Wednesday 8am - 4:30pm
Thursday 8am - 4:30pm
Friday 8am - 4:30pm

Telephone

+16365830015

Website

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