Testimonials

Five Stars
Extremely fair, honest and reliable. The company is a nice small business who actually cares and isn't always trying to up sell something. I will most certainly recommend to any friends and family. I was extremely satisfied with the service. From consumer to consumer, trust me, use this company and you will not be disappointed!! I never put reviews online, but this company deserved it.

Mike P., Littleton, CO

5 Stars
Furnace would not run on a very cold evening, and they fixed it by honestly cleaning a part and not selling me a new part. Knew the equipment very well.
Brian S., Littleton, CO

For more information or to receive a free price quote on a new installation, give us at Sentry Heating & Cooling in Littleton CO a call today!

struct
Detail [empty string]
ErrNumber 0
Message Element RESULT is undefined in a CFML structure referenced as part of an expression.
Resolvedname [empty string]
StackTrace coldfusion.runtime.UndefinedElementException: Element RESULT is undefined in a CFML structure referenced as part of an expression. at coldfusion.runtime.CfJspPage._resolve(CfJspPage.java:1554) at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1777) at coldfusion.runtime.CfJspPage._resolveAndAutoscalarize(CfJspPage.java:1769) at cfcontent_page32ecfm1928712606.runPage(D:\WebData\HostedSites\iPage\sentryheatingandcooling\includes\content_page3.cfm:41) at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:231) at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:416) at coldfusion.runtime.CfJspPage._emptyTcfTag(CfJspPage.java:2722) at cfpage32ecfm232382859.runPage(D:\WebData\HostedSites\iPage\sentryheatingandcooling\page3.cfm:9) at coldfusion.runtime.CfJspPage.invoke(CfJspPage.java:231) at coldfusion.tagext.lang.IncludeTag.doStartTag(IncludeTag.java:416) at coldfusion.runtime.CfJspPage._emptyTcfTag(CfJspPage.java:2722) at cfApplication2ecfc1558998546$funcONREQUEST.runFunction(D:\WebData\HostedSites\iPage\Application.cfc:17) at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:472) at coldfusion.runtime.UDFMethod$ArgumentCollectionFilter.invoke(UDFMethod.java:368) at coldfusion.filter.FunctionAccessFilter.invoke(FunctionAccessFilter.java:55) at coldfusion.runtime.UDFMethod.runFilterChain(UDFMethod.java:321) at coldfusion.runtime.UDFMethod.invoke(UDFMethod.java:220) at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:490) at coldfusion.runtime.TemplateProxy.invoke(TemplateProxy.java:336) at coldfusion.runtime.AppEventInvoker.invoke(AppEventInvoker.java:88) at coldfusion.runtime.AppEventInvoker.onRequest(AppEventInvoker.java:280) at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:338) at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48) at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) at coldfusion.filter.PathFilter.invoke(PathFilter.java:87) at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:70) at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28) at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46) at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:53) at coldfusion.CfmServlet.service(CfmServlet.java:201) at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) at jrun.servlet.FilterChain.doFilter(FilterChain.java:86) at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42) at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46) at jrun.servlet.FilterChain.doFilter(FilterChain.java:94) at jrun.servlet.FilterChain.service(FilterChain.java:101) at jrun.servlet.ServletInvoker.invoke(ServletInvoker.java:106) at jrun.servlet.JRunInvokerChain.invokeNext(JRunInvokerChain.java:42) at jrun.servlet.JRunRequestDispatcher.invoke(JRunRequestDispatcher.java:286) at jrun.servlet.ServletEngineService.dispatch(ServletEngineService.java:543) at jrun.servlet.jrpp.JRunProxyService.invokeRunnable(JRunProxyService.java:203) at jrunx.scheduler.ThreadPool$DownstreamMetrics.invokeRunnable(ThreadPool.java:320) at jrunx.scheduler.ThreadPool$ThreadThrottle.invokeRunnable(ThreadPool.java:428) at jrunx.scheduler.ThreadPool$UpstreamMetrics.invokeRunnable(ThreadPool.java:266) at jrunx.scheduler.WorkerThread.run(WorkerThread.java:66)
TagContext
array
1
struct
COLUMN 0
ID ??
LINE 41
RAW_TRACE at cfcontent_page32ecfm1928712606.runPage(D:\WebData\HostedSites\iPage\sentryheatingandcooling\includes\content_page3.cfm:41)
TEMPLATE D:\WebData\HostedSites\iPage\sentryheatingandcooling\includes\content_page3.cfm
TYPE CFML
2
struct
COLUMN 0
ID CFINCLUDE
LINE 9
RAW_TRACE at cfpage32ecfm232382859.runPage(D:\WebData\HostedSites\iPage\sentryheatingandcooling\page3.cfm:9)
TEMPLATE D:\WebData\HostedSites\iPage\sentryheatingandcooling\page3.cfm
TYPE CFML
3
struct
COLUMN 0
ID CFINCLUDE
LINE 17
RAW_TRACE at cfApplication2ecfc1558998546$funcONREQUEST.runFunction(D:\WebData\HostedSites\iPage\Application.cfc:17)
TEMPLATE D:\WebData\HostedSites\iPage\Application.cfc
TYPE CFML
Type Expression
element RESULT
objectType
object of java.lang.Class
Class Name java.lang.Class
Methods
Method Return Type
asSubclass(java.lang.Class) java.lang.Class
cast(java.lang.Object) java.lang.Object
desiredAssertionStatus() boolean
forName(java.lang.String, boolean, java.lang.ClassLoader) java.lang.Class
forName(java.lang.String) java.lang.Class
getAnnotation(java.lang.Class) java.lang.annotation.Annotation
getAnnotations() java.lang.annotation.Annotation[]
getCanonicalName() java.lang.String
getClassLoader() java.lang.ClassLoader
getClasses() java.lang.Class[]
getComponentType() java.lang.Class
getConstructor(java.lang.Class[]) java.lang.reflect.Constructor
getConstructors() java.lang.reflect.Constructor[]
getDeclaredAnnotations() java.lang.annotation.Annotation[]
getDeclaredClasses() java.lang.Class[]
getDeclaredConstructor(java.lang.Class[]) java.lang.reflect.Constructor
getDeclaredConstructors() java.lang.reflect.Constructor[]
getDeclaredField(java.lang.String) java.lang.reflect.Field
getDeclaredFields() java.lang.reflect.Field[]
getDeclaredMethod(java.lang.String, java.lang.Class[]) java.lang.reflect.Method
getDeclaredMethods() java.lang.reflect.Method[]
getDeclaringClass() java.lang.Class
getEnclosingClass() java.lang.Class
getEnclosingConstructor() java.lang.reflect.Constructor
getEnclosingMethod() java.lang.reflect.Method
getEnumConstants() java.lang.Object[]
getField(java.lang.String) java.lang.reflect.Field
getFields() java.lang.reflect.Field[]
getGenericInterfaces() java.lang.reflect.Type[]
getGenericSuperclass() java.lang.reflect.Type
getInterfaces() java.lang.Class[]
getMethod(java.lang.String, java.lang.Class[]) java.lang.reflect.Method
getMethods() java.lang.reflect.Method[]
getModifiers() int
getName() java.lang.String
getPackage() java.lang.Package
getProtectionDomain() java.security.ProtectionDomain
getResource(java.lang.String) java.net.URL
getResourceAsStream(java.lang.String) java.io.InputStream
getSigners() java.lang.Object[]
getSimpleName() java.lang.String
getSuperclass() java.lang.Class
getTypeParameters() java.lang.reflect.TypeVariable[]
isAnnotation() boolean
isAnnotationPresent(java.lang.Class) boolean
isAnonymousClass() boolean
isArray() boolean
isAssignableFrom(java.lang.Class) boolean
isEnum() boolean
isInstance(java.lang.Object) boolean
isInterface() boolean
isLocalClass() boolean
isMemberClass() boolean
isPrimitive() boolean
isSynthetic() boolean
newInstance() java.lang.Object
toString() java.lang.String
"

A/C stopped working, they assessed problem quickly and repaired fast! Awesome job guys!

- Elaine W. on 07/13/2017

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Serving within a 50 mile radius of Littleton CO