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The Casa Blog

A person checking their boiler's display which shows an error.

Hvac

How to Fix a Boiler Not Producing Heat A DIY Guide

Woke up to a cold house or a lukewarm shower? Our guide walks you through the most common boiler problems, from low pressure and air-locked radiators to thermostat issues, so you can get your heat and hot water back on.

An outdoor heat pump condenser unit next to a house.

Hvac

Why Your Heat Pump Keeps Turning On and Off And How to Fix It

Is your heat pump constantly turning on and off? This 'short cycling' wastes energy and wears out your system. Our guide walks you through the most common causes—from simple thermostat fixes to dirty filters and frozen coils—to help you restore comfort and efficiency to your home.

A newly installed smart thermostat displaying the temperature.

Hvac

How to Install a Smart Thermostat A DIY Guide

Ready to upgrade to a smart thermostat? This DIY guide walks you through checking compatibility, understanding your system's wiring (including the C wire), and installing your new device on both conventional and heat pump systems. Save energy and add convenience with our step-by-step instructions.

A person examining their thermostat that is causing the HVAC to run constantly.

Hvac

Why Wont My AC Turn Off How to Fix a Constantly Running HVAC

Is your HVAC system running nonstop, causing high energy bills and an uncomfortable home? This guide will walk you through simple thermostat checks to diagnose and fix the problem, from fan settings and battery issues to sensor accuracy and wiring.

A person bleeding a hot water radiator with a radiator key.

Hvac

How to Bleed a Radiator and Get Your Heat Back On

Is your radiator cold at the top or making strange gurgling sounds? Trapped air is likely the culprit. Our step-by-step guide shows you how to bleed your radiators in minutes, improve your home's heating efficiency, and lower your energy bills.

A boiler pressure gauge indicating low pressure below 1 bar.

Hvac

How to Fix Low Boiler Pressure and Get Your Heating Back On

Woken up to a cold house and no hot water? Low boiler pressure is a common culprit. This guide will walk you through diagnosing the issue, safely re-pressurizing your system, and knowing when it's time to call a pro.

A clean and modern high-efficiency furnace in a residential basement.

Hvac

Why Your Furnace Keeps Turning On and Off and How to Fix It

A furnace that constantly turns on and off, or 'short cycles,' is a common problem that wastes energy and strains your system. Our guide walks you through simple DIY fixes, from checking your thermostat to cleaning key components, to get your heat running smoothly again.

A person looking at their thermostat, concerned that their heat pump is not cooling

Hvac

How to Fix a Heat Pump That Is Not Cooling

Feeling the heat because your heat pump isn't cooling? Don't sweat it. Our step-by-step guide will help you diagnose and fix common issues, from simple thermostat adjustments to cleaning dirty filters and outdoor units, so you can get back to being comfortable.

A stuffy room with closed windows and weak light, indicating poor airflow.

Hvac

How to Fix Bad Airflow in One Room

Is one room in your house always stuffy, hot, or cold? Poor airflow can make a room uncomfortable and unhealthy. Our guide will walk you through diagnosing the problem, from checking HVAC vents and filters to improving natural ventilation, so you can breathe easy again.